Synergy and Cores - The Fundamentals of Teambuilding

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Metal Sonic

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Synergies and Cores - The Fundamentals of Teambuilding

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<div class="author">By <a href="/forums/members/metal-sonic.158673/">Metal Sonic</a>.</div>

<h1>Table of Contents</h1>
<h3>I - Introduction</h3>
<h3>II - Synergy</h3>
<ul>
<li>What is Synergy?</li>
<li>Synergy through Typing</li>
<li>Synergy through Checks and Counters</li></ul>
<h3>III - Cores</h3>
<ul>
<li>What are cores?</li>
<li>Types of Cores</li>
<li>Building your own cores</li></ul>
<h3>IV - Example cores</h3>
<ul>
<li>Offensive cores</li>
<li>Defensive cores</li></ul>
<h3>V - Teambuilding</h3>
<ul>
<li>Using cores as the basis of your team</li>
<li>Using analyses and other sources</li></ul>
<h3>VI - Conclusion</h3>

<hr>

<h2>I - Introduction</h2>
<p>Teambuilding is the most important aspect of competitive Pok&eacute;mon and is thus an important skill to have. However, the art of teambuilding might not be intuitive; newer players often just use six powerful Pok&eacute;mon for their teams, rather than Pok&eacute;mon that work well together. To illustrate the importance of teambuilding, we can use the analogy of driving. Your team is the car, and you are the driver; a well-made, high-performance car will be much easier to drive than a shoddy one. Having a better team makes winning games easier. This article's purpose is to teach you how to teambuild effectively by taking into account synergy and cores.</p>

<h2>II - Synergy</h2>
<p><u>What is Synergy?</u><br/><em>Synergy - "The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects."</em></p>

<p>Synergy, to put it simply, is how well two or more Pok&eacute;mon work together. This is an essential part of teambuilding, as it separates a well-made team from one consisting of random Pok&eacute;mon. Teams that lack synergy are prone to having most or all of their team swept or walled by certain Pok&eacute;mon, as they lack the necessary checks and counters to these threats. On the other hand, having good synergy allows your team to sweep or wall any opposing team with ease. There are two different types of synergy: synergy through typing and synergy through checks and counters.</p>

<p><u>Synergy through Typing</u><br />Synergy through typing is when two or more Pok&eacute;mon are mutually resistant or immune to the other's weaknesses. This allows them to switch back and forth freely without taking much damage.</p>

<p><img src="/dex/media/sprites/xy/venusaur-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/heatran.gif" alt="" /><br />One example of two Pok&eacute;mon with effective type synergy is Venusaur and Heatran. Venusaur has four weaknesses: Psychic, Flying, Fire, and Ice. Meanwhile, Heatran is immune to Fire and resists the other three. On the other hand, Heatran is weak to Ground, Fighting, and Water. In the same vein, although Venusaur is hit neutrally by Ground, it resists Fighting and Water. This almost perfect type synergy allows them to freely switch back and forth and apply defensive and offensive pressure to the opposing team.</p>

<p><u>Synergy through Typing</u><br />Synergy through checks and counters takes a different approach to synergy; instead of each Pok&eacute;mon covering the other's weaknesses through its typing, check and counter synergy involves two Pok&eacute;mon that work well together because each can remove the other's specific checks and counters. This type of synergy aims to give let each Pok&eacute;mon give its teammate an easier time fulfilling its role, whether it's walling or sweeping, by removing the Pok&eacute;mon that stop it from doing so.</p>

<p><img src="/dex/media/sprites/xy/gyarados-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/talonflame.gif" alt="" /><br />The combination of Mega Gyarados and Talonflame is the perfect example of check and counter synergy. While they don't have the best type synergy, each excels in defeating its partner's counters, opening up opportunities for their partner to sweep. Mega Gyarados is a deadly sweeper but is often hindered by the likes of Keldeo, Ferrothorn, and Skarmory. Talonflame can help Mega Gyarados by taking down these Pok&eacute;mon with its super effective STAB attacks. In the same vein, Talonflame is stopped by its fair share of counters, such as Heatran, Tyranitar, and Hippowdon. Mega Gyarados can assist Talonflame's sweep by destroying these Pok&eacute;mon. This is an illustration of a great synergetic pair through checks and counters.</p>

<h2>III - Cores</h2>
<p><u>What are Cores?</u><br />Cores are groups of two or more Pok&eacute;mon that have synergy through their typing, through checks and counters, or both. Cores are often self-sufficient and are usually used as the centers of teams that are built around them.</p>

<p><u>Types of Cores</u><br />In general, there are two types of cores: offensive cores and defensive cores. These types of cores ultimately differ in their playstyle and goals. Offensive cores are focused on quickly eliminating opposing Pok&eacute;mon with high-powered attacks. The Pok&eacute;mon in offensive cores aim to remove each other's checks and counters through their offensive type synergy in order to open up sweeping opportunities for their partners. Offensive cores primarily comprise of sweepers or bulky attackers that are usually able to eliminate or set up on each other's threats.</p>

<p>In contrast, defensive cores are focused primarily on defensive type synergy. The main goal for these cores is to wear down or halt offensive threats so that the opposing team has trouble dealing any damage whatsoever. Defensive cores mainly consist of walls or very bulky attackers.</p>

<p><u>Building your own cores</u><br />During teambuilding, it isn't uncommon to accidentally build a great core just by taking into account the aforementioned idea of synergy. However, coming up with a core immediately is more difficult. When building a core, it is not wise to only pick Pok&eacute;mon that have good type synergy, as it is more important to take into account the common threats in the current metagame and if your core is able to handle most of them. Many new players often only take into account synergy through typing when teambuilding and building cores. While this can sometimes form effective cores, most of the time it is not enough. This is particularly noticeable in offensive cores, as the main objective for these cores is to clear a path for the team's sweepers rather than use defensive tactics and type synergy to neutralize opposing attackers; without checks and counters synergy, offensive cores will fail.. Cores become more effective and much easier to use if they incorporate both types of synergy.</p>

<p>A good way to start when building a core is to select one Pok&eacute;mon and identify its weaknesses and checks and counters. Then, try to find another Pok&eacute;mon that covers these weaknesses in the best possible manner. Do not forget to take into account the base stats of the two Pok&eacute;mon. For example, the classic core of Skarmory and Chansey is effective purely because of how well their base stats complement each other: Skarmory is extremely physically bulky, while Chansey is extremely specially bulky. It is also very important to test your core in battles against the ladder or your friends. Often, the first core that you test will look good on paper but in reality isn't that effective. Through practical experimentation, you can identify the core's strengths and weaknesses, and might find a more effective Pok&eacute;mon to replace one in your core. Finally, it should be noted that these tips are not limited to building cores: they are also useful when one is trying to build a team.</p>

<h2>IV - Example Cores</h2>

<h4>Offensive Cores</h4>
<img src="/dex/media/sprites/xy/keldeo.gif" alt="" /> <img src="/dex/media/sprites/xy/metagross-mega.gif" alt="" /><br />
<p><u>Keldeo + Mega Metagross</u><br />Keldeo @ Leftovers<br />
Ability: Justified<br />
EVs: 252 SpA / 4 SpD / 252 Spe<br />
Timid Nature<br />
- Substitute<br />
- Calm Mind<br />
- Scald<br />
- Secret Sword</p>
<p>Metagross @ Metagrossite<br />
Ability: Clear Body<br />
EVs: 252 Atk / 4 Def / 252 Spe<br />
Jolly Nature<br />
- Meteor Mash<br />
- Earthquake / Hammer Arm<br />
- Ice Punch / Pursuit<br />
- Zen Headbutt</p>

<p>This offensively oriented core aims to dismantle opposing walls with both physical and special attacks, letting one partner open up a sweep for the other and end the game as quickly as possible. While this core lacks type synergy, it makes up for it with its excellent checks and counters synergy. Mega Metagross's devastating attacks are not taken easily by many; but those that can, such as Mega Sableye, Skarmory, Mandibuzz, Mega Scizor, and Bisharp, are decimated by Keldeo. Keldeo not only scores at worst a 2HKO on every listed Pok&eacute;mon but also can set up a Substitute and potentially a sweep against all of them. On the other hand, Keldeo's onslaught is stopped by the likes of Venusaur, Amoonguss, Latios, and Latias, all of which are annihilated by Mega Metagross. Keldeo and Mega Metagross have two different roles in this core; Keldeo functions as primarily a special sweeper and thus uses Calm Mind and Substitute, while Mega Metagross functions as a mid- to late-game sweeper and thus uses a multitude of coverage moves. However, if the opposing team is stall-oriented, Mega Metagross can also be used as a wallbreaker that destroys the common Venusaur + Heatran core and opens up a sweep for Keldeo.</p>

<p>Even with me going on about how good this core is, there are still threats that you need to look out for. Talonflame is one of the biggest threats to this core, as it can outspeed and OHKO Mega Metagross and Keldeo with a strong Flare Blitz or Brave Bird, respectively. Though it is uncommon, Mega Sceptile can be a pain, as it outspeeds both and can even KO a weakened Mega Metagross. Azumarill can take any attack that Keldeo throws at it while also being able to take hits from Mega Metagross and retaliate in turn. Assault Vest Raikou is a great partner for this core, as it can check or counter all the aforementioned threats, softening them to let the core do its job. Rotom-W is also a good partner, as it can handle all the aforementioned threats bar Mega Sceptile.</p>

<img src="/dex/media/sprites/xy/gallade-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/diggersby.gif" alt="" /><br />
<p><u>Mega Gallade + Diggersby</u><br />Gallade @ Galladite<br />
Ability: Justified<br />
EVs: 252 Atk / 4 Def / 252 Spe<br />
Jolly Nature<br />
- Swords Dance<br />
- Zen Headbutt<br />
- Close Combat<br />
- Knock Off / Shadow Sneak / Ice Punch</p>
<p>Diggersby @ Life Orb<br />
Ability: Huge Power<br />
EVs: 252 Atk / 4 Def / 252 Spe<br />
Adamant / Jolly Nature<br />
- Swords Dance<br />
- Return<br />
- Quick Attack<br />
- Earthquake</p>

<p>This core is focused around the deadly sweeper that is Mega Gallade. Gallade's great Attack stat and access to Swords Dance works in tandem with its good Speed tier and decent movepool to deal tons of damage and sweep teams. However, there are still Pok&eacute;mon that Gallade can't break through, such as Mega Sableye, Mega Slowbro, defensive Landorus-T, and Unaware Clefable. Diggersby only has fair type Synergy with Gallade, taking Ghost-type attacks for it while Gallade can take Fighting-type attacks aimed at Diggersby. However, Swords Dance + Life Orb Diggersby can lure and demolish most of the Pok&eacute;mon that Gallade fails to beat by itself. Therefore, this core is a prime example of checks and counters synergy; both draw in and wear down each other's checks and counters.</p>

<p>If you only have one other thing on a team built around this core, it should be fast revenge killers. This core lacks Speed and is hurt badly by faster offensive Pok&eacute;mon, such as Talonflame, Mega Lopunny, and Mega Sceptile. There are many fast revenge killers that you can use, such as Choice Scarf Landorus-T. A good option for a defensive partner is Rotom-W, as it has great type synergy with Diggersby and can easily deal with some faster threats, such as Talonflame and Choice Scarf Landorus-T.</p>

<img src="/dex/media/sprites/xy/gyarados-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/gothitelle.gif" alt="" /><br />
<p><u>Mega Gyarados + Gothitelle</u><br />Gyarados @ Gyaradosite<br />
Ability: Intimidate<br />
EVs: 4 HP / 252 Atk / 252 Spd<br />
Adamant Nature<br />
- Stone Edge<br />
- Waterfall<br />
- Earthquake<br />
- Dragon Dance</p>

<p>Gothitelle @ Choice Specs<br />
Ability: Shadow Tag<br />
EVs: 84 HP / 252 SpA / 172 Spe<br />
Modest Nature<br />
IVs: 0 Atk<br />
- Psychic<br />
- Hidden Power [Fire]<br />
- Thunderbolt<br />
- Trick</p>

<p>This unusual-looking core focuses on Mega Gyarados's capabilities late-game sweeping. Mega Gyarados is an excellent late-game sweeper thanks to its great bulk and high Attack, but it does have its fair share of flaws. It is easily walled by the likes of Skarmory, Mandibuzz, and Ferrothorn, along with Chesnaught and Mega Venusuar if lacking Ice Fang and Kyurem-B if lacking Stone Edge. Gothitelle can trap and remove all of the aforementioned threats with Hidden Power Fire, Thunderbolt, or Psychic thanks to its amazing ability in Shadow Tag. Gyarados should not be sent into play until its checks and counters have been removed by Gothitelle. Then, Gyarados can switch into something it can force out, such as Mega Metagross, while possibly setting up two Dragon Dances. If Gothitelle has done its job, there's not much that can stop a boosted Gyarados. Gothitelle might have to be sacrificed after its targets have been eliminated, but if its job has been done, it isn't dead weight.</p>

<p>There are a few Pok&eacute;mon that pose a threat to this core, mainly Conkeldurr and Breloom. Both can revenge kill Gyarados with Mach Punch, while Gothitelle can have trouble switching in because Conkeldurr has Knock Off and Breloom can put it to sleep. These threats can be dealt with by delaying Gyarados's Mega Evolution so that it resists Mach Punch, but the power loss is very noticeable. Talonflame can also pose trouble for a weakened Gyarados because of priority Brave Bird. A Talonflame of your own makes for a great partner to this core thanks to its ability to remove these threats. Meanwhile, Gothitelle greatly appreciates support from Pok&eacute;mon with U-turn or Volt Switch, which let it have an easier time trapping and eliminating problematic foes. Landorus-T and Rotom-W are good options for this role that can also deal with the above threats to the core.</p>

<img src="/dex/media/sprites/xy/venusaur-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/heatran.gif" alt="" /> <img src="/dex/media/sprites/xy/quagsire.gif" alt="" /><br />
<p><u>Mega Venusaur + Heatran + Quagsire</u><br />Venusaur @ Venusaurite<br />
Ability: Chlorophyll<br />
EVs: 248 HP / 252 Def / 8 SpA<br />
Relaxed Nature<br />
- Giga Drain<br />
- Leech Seed<br />
- Synthesis<br />
- Sludge Bomb</p>

<p>Heatran @ Leftovers<br />
Ability: Flash Fire<br />
EVs: 248 HP / 220 SpD / 40 Spe<br />
Calm Nature<br />
- Lava Plume<br />
- Toxic<br />
- Protect<br />
- Taunt</p>

<p>Quagsire @ Leftovers<br />
Ability: Unaware<br />
EVs: 252 HP / 252 Def / 4 SpD<br />
Bold Nature / Relaxed Nature<br />
- Scald<br />
- Recover<br />
- Toxic<br />
- Earthquake</p>

<p>
This defensive core utilizes an extreme amount of defensive synergy to fight off the most prominent sweepers in the metagame. As demonstrated above, Mega Venusaur and Heatran have an incredible amount of type synergy. This allows them to fend off huge threats such as Terrakion, Latios, Latias, Mega Sceptile, Talonflame, Mega Lopunny, and Keldeo. Unaware Quagsire rounds off the core by walling and removing powerful setup sweepers such as Bisharp, Mega Charizard X, and Mega Pinsir. It also has great type synergy with both Heatran and Mega Venusaur, allowing the core to handle even more foes, including Mega Metagross and Mega Gallade.</p>

<p>However, there are still threats that can break this defensive core, though they are uncommon. Calm Mind Mega Sableye can set up easily thanks to Magic Bounce and Recover off any poison damage that might have been incurred by Sludge Bomb. Quagsire can PP stall it out, although this is not a very efficient method. Mega Heracross can overpower Venusaur with Megahorn and take down Heatran and Quagsire easily with Close Combat and Bullet Seed, respectively. Kyurem-B can bypass Mega Venusaur's Thick Fat thanks to Teravolt and hit it hard with a super effective STAB Ice Beam while hurting Heatran with a 4x super effective Earth Power. A great offensive teammate for this core is Talonflame; although it might not fit in with the defensive nature of this core, it can eat Will-O-Wisps from Mega Sableye and remove Mega Heracross easily.</p>

<img src="/dex/media/sprites/xy/sableye-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/skarmory.gif" alt="" /> <img src="/dex/media/sprites/xy/chansey.gif" alt="" /><br />
<p><u>Mega Sableye + Skarmory + Chansey</u><br />Sableye @ Sablenite<br />
Ability: Prankster<br />
EVs: 252 HP / 252 Def / 4 SpD<br />
Bold Nature<br />
- Will-O-Wisp<br />
- Foul Play<br />
- Knock Off / Taunt<br />
- Recover</p>

<p>Skarmory @ Leftovers<br />
Ability: Sturdy<br />
EVs: 252 HP / 252 Def / 4 SpD<br />
Bold Nature<br />
- Roost<br />
- Whirlwind / Toxic<br />
- Spikes<br />
- Brave Bird / Defog</p>

<p>Chansey @ Eviolite<br />
Ability: Natural Cure<br />
EVs: 4 HP / 252 Def / 252 SpD<br />
Bold Nature<br />
- Soft-Boiled<br />
- Heal Bell / Toxic<br />
- Stealth Rock<br />
- Seismic Toss</p>

<p>This defensive core takes advantage of the absurdly high defensive stats of Skarmory and Chansey to recreate the famous DPP "SkarmBliss" core. In the modern era, Mega Sableye is needed to counter opposing status users that might threaten SkarmBliss but can be handled by Mega Sableye thanks to its useful ability in Magic Bounce and good bulk. Few unboosted Pok&eacute;mon can dream of breaking through this core. Mega Lopunny might be able to beat Mega Sableye thanks to Scrappy, but it cannot get past Skarmory unless it is severely weakened. Strong Psyshock users such as Latios and Mega Alakazam can find that Chansey's physical bulk is just as difficult to break through.</p>

<p>However, this also means that foes that have successfully set up are extremely dangerous. Swords Dance Bisharp might not enjoy Will-O-Wisp from Mega Sableye, but with a boost or two, it can break the core. Opposing Calm Mind Mega Sableye might not be able to touch Chansey, but Chansey can't do anything back either, leading to a PP war. Calm Mind Keldeo can break through Chansey, and consequently the rest of the core, with Secret Sword after multiple boosts. Therefore, using the core effectively means you need teammates that can identify setup sweepers and prevent them from doing so.</p>

<img src="/dex/media/sprites/xy/heatran.gif" alt="" /> <img src="/dex/media/sprites/xy/ferrothorn.gif" alt="" /> <img src="/dex/media/sprites/xy/zapdos.gif" alt="" /><br />
<p><u>Heatran + Ferrothorn + Zapdos</u><br />Heatran @ Leftovers<br />
Ability: Flash Fire<br />
EVs: 248 HP / 204 SpD / 56 Spe<br />
Calm Nature<br />
- Lava Plume<br />
- Toxic<br />
- Protect<br />
- Earth Power / Taunt</p>

<p>Ferrothorn @ Leftovers<br />
Ability: Iron Barbs<br />
EVs: 252 HP / 88 Def / 168 SpD<br />
IVs: 0 Spe<br />
- Stealth Rock<br />
- Gyro Ball / Power Whip<br />
- Leech Seed<br />
- Protect / Thunder Wave</p>

<p>Zapdos @ Rocky Helmet / Leftovers<br />
Ability: Pressure<br />
EVs: 248 HP / 216 Def / 44 Spe<br />
Bold Nature<br />
- Hidden Power [Ice]<br />
- Volt Switch / Thunderbolt<br />
- Roost<br />
- Defog / Heat Wave</p>

<p>Heatran returns again, with its useful typing proving helpful in generating tremendous type synergy for defensive cores. Ferrothorn is a fellow Steel-type that does what Mega Venusaur does, taking Water- and some Ground-type attacks for Heatran. Zapdos here is key: it takes the Fighting- and Ground-type attacks that both Heatran and Ferrothorn hate, while its Ice weakness is covered by Heatran and Rock by Ferrothorn. The core can handle many of the threats in the ORAS OU metagame, such as Mega Scizor, Latios, Latias, Talonflame, and Landorus-T.</p>

<p>However, as with all cores, this core is threatened by a multitude of Pok&eacute;mon. Mega Heracross is problematic, with Skill Link Rock Blast to take on Zapdos and Close Combat to demolish the Steel-types. Ice Punch Mega Gallade breaks through the core with ease. Mega Sceptile can engage Zapdos thanks to Lightning Rod, though it has to watch out for Hidden Power Ice, and can take on Heatran and Ferrothorn with well-aimed Focus Blasts. Kyurem-B survives a Gyro Ball and 2HKOes Ferrothorn with Ice Beam, with Earth Power to eliminate Heatran. While it doesn't fit with the defensive nature of the core, Talonflame can deal with all of these threats nicely with its powerful priority Brave Bird.</p>

<p>If you want more cores for teambuilding, check out <a href="/forums/threads/good-cores-oras.3521681/">this thread</a> for a whole collection of great cores for you to use.</p>

<h2>V - Teambuilding</h2>
<p><u>Using a core as the basis of your team</u><br />Due to most cores being self-sufficient, they are often used as the centers of teams and do the most work in battles. However, cores are far from perfect. For example, the core of Venusaur, Heatran, and Quagsire is beaten by the likes of Mega Heracross and Kyurem-B. A helpful teammate such as Talonflame is then added to patch up the core's weaknesses and allow that core to function better. This method of teambuilding around the core allows it to reach its full potential; good teammates are mentioned in the core descriptions above to help you teambuild around them.</p>

<p><u>Using analyses and outside sources</u><br />Smogon and other outside sources have a variety of tools that can help build cores and teams and test synergy. The "Team Options" and "Checks and Counters" sections in <a href="http://www.smogon.com/dex/">Smogon analyses</a> are very helpful for building teams and cores. <a href="http://sweepercalc.com/rmt/">bReakMyTeam</a> a great tool to test your team or core for threats. Finally, <a href="http://www.marriland.com/tools/team-builder">Marriland's Synergy Calculator</a> is great for testing synergy.</p>

<h2>VI - Conclusion</h2>
<p>Hopefully, after reading this guide, you have gained some knowledge on how to effectively teambuild and learned how the best teambuilders make their teams the best they can be. With this guide, the challenge won't be to teambuild around a certainPok&eacute;mon, it will be to choose one. Just remember that even with the endless viability rankings and articles that dictate which Pok&eacute;mon are effective and which are not, there is also another thing that is endless: your creativity.</p>
 
Last edited:

frenzyplant

Inertia is a property of matter.
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1/2 :)

add remove (comments)

(checks and counters, teambuilding, synergy, and cores are not capitalized. you also use quotes when they aren't necessary sometimes as the term in question is coined and generally accepted, do not use the serial comma, or add commas where they aren't necessary and don't impede flow (in sentences similar to "Ninjask is fast, and can KO Weedle"). take note of what I've changed and use it in future writing. also, if this is just http://www.smogon.com/forums/threads/3526090/ my check is 1/2 there as well)

I - Introduction
Teambuilding is the most important aspect of competitive Pokemon, (remove comma) and is thus an important skill to have. (*) However, the art of teambuilding may not be intuitive; newer players often just use the "6 most six powerful Pokemon" (remove comma) for their teams, rather than Pokemon that work well together. (*) This article's purpose is to teach you how to teambuild effectively by taking into account synergy and cores. To illustrate the importance of teambuilding, we can use the analogy of driving. Your team is the car, and you are the driver; a well-made, high-performance car will be much easier to drive than a shoddy one. Having a better team lets you win games more easily easier and with less effort. (this would probably go better in either of the starred locations)

II - Synergy
What is synergy?
Synergy - "The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects."

Synergy, to put it simply, is how well two or more Pokemon work together. This is an essential part of teambuilding, (comma) as it separates a well-made team from one a team consisting of random Pokemon. Teams that lack synergy are prone to having most or all of their team swept or walled by certain Pokemon, as they lack the necessary checks and counters to these threats. On the other hand, having good synergy allows your team to sweeping or wall the opponent's any opposing team with ease. There are two different types of synergy: synergy through typing and synergy through checks and counters.
(line break)
Synergy through typing
Synergy through typing is when two Pokemon are mutually resistant or immune to the other's weaknesses. This allows them to switch between each other freely without taking much damage, as each can by switching into a predicted attack targeted at the other that it which they resists.
(no heatran sprite?) One example of two Pokemon with effective type synergy is Venusaur and Heatran. Venusaur has four weaknesses: (semicolon to comma) Psychic, Flying, Fire, (comma) and Ice; (semicolon). Meanwhile, Heatran is immune to Fire and resists the other three. On the other hand, Heatran is weak to Ground, Fighting, (comma) and Water. In the same vein, although Venusaur is hit neutrally by Ground, it resists Fighting and Water that Heatran is weak to. This almost perfect type synergy allows them to freely switch between each other and apply defensive and offensive pressure to against the opposing team.

Synergy through checks and counters
Synergy through checks and counters "Checks and Counters" takes a different approach to synergy; instead of each Pokemon covering the each other's weaknesses through its their typing, "Check and Counter" checks and counters synergy involves two Pokemon that work well together because each can remove by removing the other's teammate's specific checks and counters. This type of synergy aims to let each Pokemon give the its teammate an easier time performing its role, whether it's walling or sweeping, by removing the Pokemon that stop them it from doing so.
(no talon sprite?) The combination of Mega Gyarados and Talonflame is are the perfect example of "Check and Counter" checks and counters synergy. While they don't have the best type synergy, they each excels in defeating the its partner's counters, in turn opening up opportunities for the partner to sweep. Mega Gyarados is a deadly sweeper, (remove comma) but is often hindered by the likes of Keldeo, Ferrothorn, (comma) and Skarmory. Talonflame can help Mega Gyarados by takinge down these Pokemon with its super effective STAB attacks. In the same vein, Talonflame is stopped by its fair share of counters, such as Heatran, Tyranitar, (comma) and Hippowdon. Mega Gyarados can assist Talonflame's sweep by destroying these Pokemon. This is an illustration of a great synergetic pair through "Checks and Counters".
III - Cores
What are cores?
Cores are a groups of two or more Pokemon that have synergy through their typing, through checks and counters, or both. Cores are often self-sufficient and are usually used as the centers of teams that are built around them. From there, a player teambuilds around his desired core.

Types of cores
In general, there are two types of cores: offensive cores and defensive cores. These types of cores ultimately differ in their playstyle and goals. Offensive cores are focused on quickly eliminating the opposing Pokemon in a short amount of time with high-powered attacks. The Pokemon in offensive cores aim to remove each other's checks and counters through their offensive type synergy, (remove comma) in order to open up sweeping opportunities for their partners. Offensive cores primarily comprise of sweepers or bulky attackers. They that are usually complement each other by able to eliminate or set up on eliminating or setting up on each other's threats.

In contrast, defensive cores are focused primarily on defensive typing type synergy. The main goal for these cores this core is to wear down or halt offensive threats so that the opposing team has trouble dealing any damage whatsoever. Defensive cores mainly consist of walls or very bulky attackers that have extremely good defensive type synergy with each other.

Building your own cores
During the process of teambuilding, it isn't uncommon to accidentally build a great core just by taking into account the aforementioned ideas of synergy. However, coming up with a core immediately on paper is more difficult. When building a core, it is not wise to only pick up two Pokemon that seem to have good type synergy on paper, as it is more important to take into account the common threats in the current metagame, (remove comma) and if your core is able to handle most of them. Most Many new players often only take into account synergy through typing when teambuilding and building cores. While this can sometimes form effective cores, most of the time it is not enough. This is particularly visible noticeable in offensive cores, as when the main objective of these cores is to clear a path for the team's sweepers, (remove comma) rather than use defensive tactics and through type synergy to neutralize opposing attackers; without checks and counters synergy, offensive cores will fail. Hence, by incorporating both ideas of synergy, Cores become much more effective and much easier to use if they incorporate both types of synergy.

A good way to start when building a core is to select one "key" Pokemon, (remove comma) and identify its weaknesses and checks and counters in both typing and Checks and Counters. Then, try to find another Pokemon that complement covers these weaknesses in the best possible manner. Do not forget to take into account the base stats of the two Pokemon. For example, the classic core of Skarmory and Chansey is effective purely on how complementary their base stats are: Skarmory is extremely physically bulky, (comma) while Chansey is extremely specially bulky. It is also very important to test your core in battles against the ladder or your friends. Often, the first core that you test will look good on paper, (remove comma) but in reality isn't they aren't that effective together. By practical testing and experimentation, you can identify the core's strengths and weaknesses and strengths, and might find a more effective Pokemon to replace one in your core. Finally, it should be noted that these tips are not limited to building cores: (comma to colon) they are also useful when one is trying to build a team.
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IV - Example Cores
Offensive Cores
Keldeo + Mega Metagross
This offensively orientated core aims to dismantle opposing walls with both physical and special attacks, letting one partner high powered attack from both sides of the spectrum (there is no spectrum and there are no sides) (remove semicolon) to open up a sweep for each the other and end the game as quickly as possible. Whilst While this core lacks type synergy, it makes up for it with its excellent checks and counters synergy. Mega Metagross's devastating attacks are not taken easily by many; but those who that can, such as Mega Sableye, Skarmory, Mandibuzz, Mega Scizor, and Bisharp, are dismantled (use a different word; you used "dismantled" a sentence ago) by Keldeo. Keldeo not only scores at worst maximum a 2HKO on every listed Pokemon, (remove comma) but also can it can also set up a Substitute and potentially set up a sweep against all of them. On the other hand, Keldeo's onslaught is stopped by the likes of Venusaur, Amoonguss, Latias, and Latios and the Lati twins, all of which are annihilated by Mega Metagross. Keldeo and Mega Metagross have two different roles in this core: Keldeo functions as primarily a special sweeper and thus uses Calm Mind and Substitute, while Mega Metagross functions as a mid- or late-game mid to late game sweeper and a wallbreaker and thus uses a multitude of coverage moves. However, if the opposing team is stall-oriented somewhat stall-ish, Mega Metagross can also be used as a wallbreaker that destroys the common Venusaur + Heatran core and opens up a sweep for Keldeo.

Even with me going on about how good this core is, (hyphen to comma) there are still threats that you need to look out for. Talonflame is one of the biggest threats to this core, as it can outspeed and OHKO both Mega Metagross and Keldeo and OHKO both with a strong Flare Blitz or and Brave Bird, respectively. Though it is uncommon, Mega Sceptile can be a pain, as while it is uncommon, it outspeeds both and can KO a weakened Mega Metagross. Azumarill can take any attack that Keldeo throws at it, (remove comma) while also being able to take hits from Mega Metagross and retaliate in turn. /*Greninja is also hard to handle, a pain; as it can outspeed and OHKO both Keldeo and Mega Metagross and OHKO the both of them.*/ Assault Vest Raikou is a great partner for this core, (comma) as it can check or counter all the aforementioned threats, softening them to let the core do its job and soften them. Rotom-W is also a good partner, as it can handle all the aforementioned threats bar Mega Sceptile.
Keldeo @ Leftovers
Ability: Justified
EVs: 252 SAtk / 4 SDef / 252 Spe
Timid Nature
- Substitute
- Calm Mind
- Scald
- Secret Sword


Metagross @ Metagrossite
Ability: Clear Body --> Tough Claws (these need to be copypastable into import, hence why I'm not fixing SAtk and SDef above)
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Meteor Mash
- Earthquake / Hammer Arm
- Ice Punch / Pursuit
- Zen Headbutt

(why not a megaed sprite?) Mega Gallade + Diggersby
This core is focused around the deadly sweeper that is Mega Gallade. Gallade's great Attack stat and access to Swords Dance works in tandem with its good Speed tier and decent movepool to deal tons of damage and sweep teams. However, there are still Pokemon Gallade still has stuff that it Gallade can't break through, such as Mega Sableye, Mega Slowbro, (comma) and defensive Landorus-T, (comma) and or Unaware Clefable. Diggersby only has fair type synergy with Gallade, taking Ghost-type attacks for it, (remove comma) while Gallade can take Fighting-type attacks aimed at Diggersby. However, Swords Dance + Life Orb Diggersby can lure and demolish most of the Pokemon that Gallade fails to beat by itself. Therefore, this core is a prime example of checks and counters Check and Counter synergy; both draw in and wear down each other's checks and counters "counters" and proceed to wear them down.

If you only have one other thing you're going to have anything on a your team while using built around this core, it should would be fast revenge killers. This core lacks Speed, (remove comma) and gets is hurt badly by faster offensive Pokemon, such as /Greninja/, Talonflame, Mega Lopunny, and Mega Sceptile, and more. ("such as" implies more) There are many fast revenge killers that you can use, including but not limited to ("including" implies "but not limited to"; you would use something like "comprising" if you wanted to explicitly say that it /was/ limited, and "comprising but not limited to" is just dumb) Mega Lopunny, Mega Pidgeot, and Choice Scarf Landorus-T. A good option for a defensive partner is Rotom-W, as it has great type synergy with Diggersby and can easily deal with some faster threats, such as Talonflame and Choice Scarf Landorus-T, well.
Gallade @ Galladite
Ability: Justified
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Swords Dance
- Zen Headbutt
- Close Combat
- Knock Off / Shadow Sneak / Ice Punch

Diggersby @ Life Orb
Ability: Huge Power
EVs: 252 Atk / 4 Def / 252 Spe
Adamant / Jolly Nature
- Swords Dance
- Return
- Quick Attack
- Earthquake


Mega Gyarados + Gothitelle
This unusual-looking core focuses on Mega Gyarados's capabilities for late-game sweeping. Mega Gyarados is an excellent late-game sweeper thanks to its great bulk and high Attack, but it does have its fair share of flaws. It is easily walled by the likes of Skarmory, Mandibuzz, (comma) and Ferrothorn, along with Chesnaught and Mega Venusuar if lacking Ice Fang and Kyurem-B if lacking Stone Edge. Gothitelle can trap and remove all of the aforementioned threats with Hidden Power Fire, Thunderbolt, or Psychic thanks to its with an amazing ability in Shadow Tag, and remove them with Hidden Power Fire, Thunderbolt, or Psychic. As taught in Battling 101 class, Gyarados should not be sent into play until its checks and counters have been removed by Gothitelle. Then, Gyarados can switch into something it can force out (setup bait is something that you can actively set up on because it can't hurt you) setup bait, such as /*Greninja*/ or Mega Metagross, and force it out, while possibly setting up two Dragon Dances. If Gothitelle has done its job, there's not much that can stop a boosted Gyarados. Gothitelle might have to be sacrificed may be death fodder after its targets have been eliminated, but if its job has been was done, (comma) it isn't can never be called dead weight to a team.

There are a few Pokemon that pose a threat to this core, mainly Conkeldurr and Breloom. Both can revenge kill Gyarados with Mach Punch, while Gothitelle can have trouble switching in because Conkeldurr has Knock Off, (remove comma) and Breloom can put it to sleep. These threats can be dealt with by delaying Gyarados's Mega Evolution so that it resists Mach Punch, but the power losses are is very noticeable. An opposing Talonflame can also pose trouble for a weakened Gyarados, becausse because of priority Brave Bird. A Talonflame of your own makes for a great partner to this core, (remove comma) thanks to its ability to remove capability of removing these threats. Meanwhile, Gothitelle greatly appreciates support from Pokemon with U-turn or Volt-Switch, which let it in order to have an easier time trapping and eliminating problematic foes. Landorus-T and Rotom-W are good options for this the above role, and that can also deal with the above threats to the core.

Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 4 HP / 252 Atk / 252 Spd
Adamant Nature
- Stone Edge
- Waterfall
- Earthquake
- Dragon Dance

Gothitelle @ Choice Specs
Ability: Shadow Tag
EVs: 84 HP / 252 SAtk / 172 Spd
Modest Nature
IVs: 0 Atk
- Psychic
- Hidden Power [Fire]
- Thunderbolt
- Trick

Defensive Cores
Mega Venasaur + Heatran + Quagsire
This defensive core utilizes an extreme amount of defensive synergy to fight off the most prominent sweepers in the metagame. As demonstrated above (maybe say which section), Mega Venusaur and Heatran have an incredible amount of type synergy. This allows them to fend off huge threats such as Terrakion, Latias, Latios, the Lati twins, Mega Sceptile, Talonflame, Mega Lopunny, (comma) and Keldeo, and many more. Unaware Quagsire rounds off the core by walling and removing powerful setup sweepers such as Bisharp, Mega Charizard X, (comma) and Mega Pinsir. Along with this, It also has a great amount of the type synergy with both Heatran and Mega Venusaur, allowing the core to handle even more foes, including such as Mega Metagross and Mega Gallade.

However, (period to comma) there are still threats that can break this defensive core, though they are uncommon. Calm Mind Mega Sableye, (remove comma) can set up easily thanks to Magic Bounce, (remove comma) and Recover off any poison damage that might have been incurred by Sludge Bomb. Quagsire can PP stall it out, but this is not a very efficient method. Mega Heracross can overpower Venusaur using (insert move here) and take down Heatran and Quagsire easily with Close Combat and Bullet Seed, respectively. Kyurem-B can bypass Mega Venusaur's Thick Fat thanks to Teravolt and hit it hard with a super effective STAB Ice Beam, (remove comma) while hurting Heatran with a 4x super effective Earth Power. A great offensive teammate for this core is can be Talonflame; although it might not fit in with the defensive nature of this core, it can eat Will-O-Wisps from Mega Sableye and remove Mega Heracross easily.
Venusaur @ Venusaurite
Ability: Chlorophyll
EVs: 248 HP / 252 Def / 8 SpA
Relaxed Nature
- Giga Drain
- Leech Seed
- Synthesis
- Sludge Bomb

Heatran @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 220 SpD / 40 Spe
Calm Nature
- Lava Plume
- Toxic
- Protect
- Taunt

Quagsire @ Leftovers
Ability: Unaware
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature / Relaxed Nature
- Scald
- Recover
- Toxic
- Earthquake

Mega Sableye + Skarmory + Chansey
This defensive core takes advantage of the absurdly high defensive stats of Skarmory and Chansey to recreate the famous DPP "SkarmBliss" core in days past. In the modern era, Mega Sableye is needed because of (x threats), which threaten SkarmBliss but can be handled by Mega Sableye thanks to its useful ability in Magic Bounce and good bulk. Few unboosted Pokemon can dream of breaking through this core. Mega Lopunny might be able to beat find it advantageous to bypass Mega Sableye thanks to with Scrappy, but it cannot get past Skarmory unless it is severely weakened. Strong Psyshock users such as Latios or and Mega Alakazam may can find that Chansey's physical bulk is just as difficult to break through.

However, this also means that foes that have successfully set up are extremely dangerous. Swords Dance Bisharp may not enjoy Will-O-Wisp from Mega Sableye, but with a boost or two, it can break the core. Opposing Calm Mind Mega Sableye might not be able to touch Chansey, but Chansey can't do anything back either, leading to a PP war. Calm Mind Keldeo can break through Chansey, and consequently the rest of the core, with Secret Sword, and consequently the rest of the core, after multiple boosts. Therefore, using the core effectively means you need teammates that can to identify setup sweepers and prevent them from doing so.
Sableye @ Sableite
Ability: Prankster
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Will-O-Wisp
- Foul Play
- Knock Off/Taunt
- Recover

Skarmory @ Leftovers
Ability: Sturdy
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Roost
- Whirlwind / Toxic
- Spikes
- Brave Bird / Defog

Chansey @ Eviolite
Ability: Natural Cure
EVs: 4 HP / 252 Def / 252 SpD
Bold Nature
- Soft-Boiled
- Heal Bell / Toxic
- Stealth Rock
- Seismic Toss

Heatran + Ferrothorn + Zapdos
Heatran returns again, with its useful typing proving helpful in generating tremendous type synergy for defensive cores. Ferrothorn is a fellow Steel-type that does what Mega Venusaur does, taking Water-type attacks and some Ground-type attacks for Heatran. Zapdos here is key: it takes the Fighting- and Ground-type attacks that both Heatran and Ferrothorn hates, while its Ice weakness is covered by Heatran and Rock by Ferrothorn. The core can handle many of the threats in the ORAS OU metagame, such as Mega Scizor, the Lati twins, Latias, Latios, Talonflame, and Landorus-T, and more.

However, as with all cores, this core is threatened by a multitude of Pokemon there are threats. Mega Heracross returns, is problematic, (comma) as ever, with Skill Link Rock Blast to take on Zapdos and Close Combat to demolish the Steel-types. Ice Punch Mega Gallade with Ice Punch breaks through the core with ease. Mega Sceptile with well-aimed Focus Blasts can engage Zapdos thanks to Lightning Rod, but it has to watch out for the Hidden Power Ice. Kyurem-B survives a Gyro Ball and 2HKOes Ferrothorn with Ice Beam, with Earth Power to eliminate Heatran. While it doesn't fit with the defensive nature of the core, Talonflame can deal with all of these threats nicely with its powerful priority Brave Bird.

Heatran @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 204 SpD / 56 Spe
Calm Nature
- Lava Plume
- Toxic
- Protect
- Earth Power / Taunt

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 88 Def / 168 SpD
IVs: 0 Spe
- Stealth Rock
- Gyro Ball / Power Whip
- Leech Seed
- Protect / Thunder Wave
(line break)
Zapdos @ Rocky Helmet / Leftovers
Ability: Pressure
EVs: 248 HP / 216 Def / 44 Spe
Bold Nature
- Hidden Power [Ice]
- Volt Switch / Thunderbolt
- Roost
- Defog / Heat Wave

If you need want any more cores for your teambuilding needs, check out this thread (the link should cover "this thread", not just "this") for a whole collection of great cores for you to use.

V - Teambuilding
Using a cores as the basis of your team
Due to most cores being generally self-sufficient, they are often used as the centers of a teams and do the most work in battles. However, cores are far from perfect. For example, the core of Venusaur, Heatran, (comma) and Quagsire is beaten by the likes of Mega Heracross and Kyurem-B. A helpful teammate such as Talonflame is then added to patch up the core's weaknesses and allow that core to function better. This method of building the team teambuilding around the core allows it to reach its full potential; good teammates are mentioned in the core descriptions above to help you teambuild around them.

Using analyses and outside sources
Smogon and other outside sources have a variety of tools that can help build cores, (remove comma) and teams, (remove comma) and test synergy. The "Team Options" and "Checks and Counters" sections in Smogon analyses is are very helpful for teambuilding and building cores. bReakMyTeam is a great tool to test your team or core for threats. Finally, Marriland's Synergy Calculator is great for testing synergy.
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VI - Conclusion
Hopefully, after reading this guide, you have gained some knowledge on how to effectively teambuild, (remove comma) and learned learnt how the best teambuilders make their teams the best it they can be. With this guide, the challenge won't be to teambuild around a certain Pokemon, it the challenge will be to choose one. Just remember, (remove comma) that even with the endless viability rankings and articles that dictate which Pokemon are effective and which are not, there is also another thing that is endless: your creativity.
 
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This is really worth reading, but I noticed that you suggested to use another mega as a revenge killer to work with M-Gallade/Diggersby core.
 

antemortem

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[title]
Synergies and Cores - The Fundamentals of Teambuilding

[head]

[page]
<div class="author">By <a href="/forums/members/metal-sonic.158673/">Metal Sonic</a>.</div>

<h1>Table of Contents</h1>
<h3>I - Introduction</h3>
<h3>II - Synergy</h3>
<ul>
<li>What is Synergy?</li>
<li>Synergy through Typing</li>
<li>Synergy through Checks and Counters</li></ul>
<h3>III - Cores</h3>
<ul>
<li>What are cores?</li>
<li>Types of Cores</li>
<li>Building your own cores</li></ul>
<h3>IV - Example cores</h3>
<ul>
<li>Offensive cores</li>
<li>Defensive cores</li></ul>
<h3>V - Teambuilding</h3>
<ul>
<li>Using cores as the basis of your team</li>
<li>Using analyses and other sources</li></ul>
<h3>VI - Conclusion</h3>

<hr>

<h2>I - Introduction</h2>
<p>Teambuilding is the most important aspect of competitive Pok&eacute;mon and is thus an important skill to have. However, the art of teambuilding might not be intuitive; newer players often just use six powerful Pok&eacute;mon for their teams, rather than Pok&eacute;mon that work well together. To illustrate the importance of teambuilding, we can use the analogy of driving. Your team is the car, and you are the driver; a well-made, high-performance car will be much easier to drive than a shoddy one. Having a better team makes winning games easier. This article's purpose is to teach you how to teambuild effectively by taking into account synergy and cores.</p>

<h2>II - Synergy</h2>
<p><u>What is Synergy?</u><br/><em>Synergy - "The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects."</em></p>

<p>Synergy, to put it simply, is how well two or more Pok&eacute;mon work together. This is an essential part of teambuilding, as it separates a well-made team from one consisting of random Pok&eacute;mon. Teams that lack synergy are prone to having most or all of their team swept or walled by certain Pok&eacute;mon, as they lack the necessary checks and counters to these threats. On the other hand, having good synergy allows your team to sweep or wall any opposing team with ease. There are two different types of synergy: synergy through typing and synergy through checks and counters.</p>

<p><u>Synergy through Typing</u><br />Synergy through typing is when two or more Pok&eacute;mon are mutually resistant or immune to the other's weaknesses. This allows them to switch back and forth freely without taking much damage.</p>

<p><img src="/dex/media/sprites/xy/venusaur-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/heatran.gif" alt="" /><br />One example of two Pok&eacute;mon with effective type synergy is Venusaur and Heatran. Venusaur has four weaknesses: Psychic, Flying, Fire, and Ice. Meanwhile, Heatran is immune to Fire and resists the other three. On the other hand, Heatran is weak to Ground, Fighting, and Water. In the same vein, although Venusaur is hit neutrally by Ground, it resists Fighting and Water. This almost perfect type synergy allows them to freely switch back and forth and apply defensive and offensive pressure to the opposing team.</p>

<p><u>Synergy through Typing</u><br />Synergy through checks and counters takes a different approach to synergy; instead of each Pok&eacute;mon covering the other's weaknesses through its typing, check and counter synergy involves two Pok&eacute;mon that work well together because each can remove the other's specific checks and counters. This type of synergy aims to give let each Pok&eacute;mon give its teammate an easier time fulfilling its role, whether it's walling or sweeping, by removing the Pok&eacute;mon that stop it from doing so.</p>

<p><img src="/dex/media/sprites/xy/gyarados-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/talonflame.gif" alt="" /><br />The combination of Mega Gyarados and Talonflame is the perfect example of check and counter synergy. While they don't have the best type synergy, each excels in defeating its partner's counters, opening up opportunities for their partner to sweep. Mega Gyarados is a deadly sweeper but is often hindered by the likes of Keldeo, Ferrothorn, and Skarmory. Talonflame can help Mega Gyarados by taking down these Pok&eacute;mon with its super effective STAB attacks. In the same vein, Talonflame is stopped by its fair share of counters, such as Heatran, Tyranitar, and Hippowdon. Mega Gyarados can assist Talonflame's sweep by destroying these Pok&eacute;mon. This is an illustration of a great synergetic pair through checks and counters.</p>

<h2>III - Cores</h2>
<p><u>What are Cores?</u><br />Cores are groups of two or more Pok&eacute;mon that have synergy through their typing, through checks and counters, or both. Cores are often self-sufficient and are usually used as the centers of teams that are built around them.</p>

<p><u>Types of Cores</u><br />In general, there are two types of cores: offensive cores and defensive cores. These types of cores ultimately differ in their playstyle and goals. Offensive cores are focused on quickly eliminating opposing Pok&eacute;mon with high-powered attacks. The Pok&eacute;mon in offensive cores aim to remove each other's checks and counters through their offensive type synergy in order to open up sweeping opportunities for their partners. Offensive cores primarily comprise of sweepers or bulky attackers that are usually able to eliminate or set up on each other's threats.</p>

<p>In contrast, defensive cores are focused primarily on defensive type synergy. The main goal for these cores is to wear down or halt offensive threats so that the opposing team has trouble dealing any damage whatsoever. Defensive cores mainly consist of walls or very bulky attackers.</p>

<p><u>Building your own cores</u><br />During teambuilding, it isn't uncommon to accidentally build a great core just by taking into account the aforementioned idea of synergy. However, coming up with a core immediately is more difficult. When building a core, it is not wise to only pick Pok&eacute;mon that have good type synergy, as it is more important to take into account the common threats in the current metagame and if your core is able to handle most of them. Many new players often only take into account synergy through typing when teambuilding and building cores. While this can sometimes form effective cores, most of the time it is not enough. This is particularly noticeable in offensive cores, as the main objective for these cores is to clear a path for the team's sweepers rather than use defensive tactics and type synergy to neutralize opposing attackers; without checks and counters synergy, offensive cores will fail.. Cores become more effective and much easier to use if they incorporate both types of synergy.</p>

<p>A good way to start when building a core is to select one Pok&eacute;mon and identify its weaknesses and checks and counters. Then, try to find another Pok&eacute;mon that covers these weaknesses in the best possible manner. Do not forget to take into account the base stats of the two Pok&eacute;mon. For example, the classic core of Skarmory and Chansey is effective purely because of how well their base stats complement each other: Skarmory is extremely physically bulky, while Chansey is extremely specially bulky. It is also very important to test your core in battles against the ladder or your friends. Often, the first core that you test will look good on paper but in reality isn't that effective. Through practical experimentation, you can identify the core's strengths and weaknesses, and might find a more effective Pok&eacute;mon to replace one in your core. Finally, it should be noted that these tips are not limited to building cores: they are also useful when one is trying to build a team.</p>

<h2>IV - Example Cores</h2>

<h4>Offensive Cores</h4>
<img src="/dex/media/sprites/xy/keldeo.gif" alt="" /> <img src="/dex/media/sprites/xy/metagross-mega.gif" alt="" /><br />
<p><u>Keldeo + Mega Metagross</u><br />Keldeo @ Leftovers<br />
Ability: Justified<br />
EVs: 252 SpA / 4 SpD / 252 Spe<br />
Timid Nature<br />
- Substitute<br />
- Calm Mind<br />
- Scald<br />
- Secret Sword</p>
<p>Metagross @ Metagrossite<br />
Ability: Clear Body<br />
EVs: 252 Atk / 4 Def / 252 Spe<br />
Jolly Nature<br />
- Meteor Mash<br />
- Earthquake / Hammer Arm<br />
- Ice Punch / Pursuit<br />
- Zen Headbutt</p>

<p>This offensively oriented core aims to dismantle opposing walls with both physical and special attacks, letting one partner open up a sweep for the other and end the game as quickly as possible. While this core lacks type synergy, it makes up for it with its excellent checks and counters synergy. Mega Metagross's devastating attacks are not taken easily by many; but those that can, such as Mega Sableye, Skarmory, Mandibuzz, Mega Scizor, and Bisharp, are decimated by Keldeo. Keldeo not only scores at worst a 2HKO on every listed Pok&eacute;mon but also can set up a Substitute and potentially a sweep against all of them. On the other hand, Keldeo's onslaught is stopped by the likes of Venusaur, Amoonguss, Latios, and Latias, all of which are annihilated by Mega Metagross. Keldeo and Mega Metagross have two different roles in this core; Keldeo functions as primarily a special sweeper and thus uses Calm Mind and Substitute, while Mega Metagross functions as a mid- to late-game sweeper and thus uses a multitude of coverage moves. However, if the opposing team is stall-oriented, Mega Metagross can also be used as a wallbreaker that destroys the common Venusaur + Heatran core and opens up a sweep for Keldeo.</p>

<p>Even with me going on about how good this core is, there are still threats that you need to look out for. Talonflame is one of the biggest threats to this core, as it can outspeed and OHKO Mega Metagross and Keldeo with a strong Flare Blitz or Brave Bird, respectively. Though it is uncommon, Mega Sceptile can be a pain, as it outspeeds both and can even KO a weakened Mega Metagross. Azumarill can take any attack that Keldeo throws at it while also being able to take hits from Mega Metagross and retaliate in turn. /*Greninja is also hard to handle, as it can outspeed and OHKO both Keldeo and Mega Metagross.*/ Assault Vest Raikou is a great partner for this core, as it can check or counter all the aforementioned threats, softening them to let the core do its job. Rotom-W is also a good partner, as it can handle all the aforementioned threats bar Mega Sceptile.</p>

<img src="/dex/media/sprites/xy/gallade-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/diggersby.gif" alt="" /><br />
<p><u>Mega Gallade + Diggersby</u><br />Gallade @ Galladite<br />
Ability: Justified<br />
EVs: 252 Atk / 4 Def / 252 Spe<br />
Jolly Nature<br />
- Swords Dance<br />
- Zen Headbutt<br />
- Close Combat<br />
- Knock Off / Shadow Sneak / Ice Punch</p>
<p>Diggersby @ Life Orb<br />
Ability: Huge Power<br />
EVs: 252 Atk / 4 Def / 252 Spe<br />
Adamant / Jolly Nature<br />
- Swords Dance<br />
- Return<br />
- Quick Attack<br />
- Earthquake</p>

<p>This core is focused around the deadly sweeper that is Mega Gallade. Gallade's great Attack stat and access to Swords Dance works in tandem with its good Speed tier and decent movepool to deal tons of damage and sweep teams. However, there are still Pok&eacute;mon that Gallade can't break through, such as Mega Sableye, Mega Slowbro, defensive Landorus-T, and Unaware Clefable. Diggersby only has fair type Synergy with Gallade, taking Ghost-type attacks for it while Gallade can take Fighting-type attacks aimed at Diggersby. However, Swords Dance + Life Orb Diggersby can lure and demolish most of the Pok&eacute;mon that Gallade fails to beat by itself. Therefore, this core is a prime example of checks and counters synergy; both draw in and wear down each other's checks and counters.</p>

<p>If you only have one other thing on a team built around this core, it should be fast revenge killers. This core lacks Speed and is hurt badly by faster offensive Pok&eacute;mon, such as /Greninja/, Talonflame, Mega Lopunny, and Mega Sceptile. There are many fast revenge killers that you can use, including Mega Lopunny, Mega Pidgeot, and Choice Scarf Landorus-T. A good option for a defensive partner is Rotom-W, as it has great type synergy with Diggersby and can easily deal with some faster threats, such as Talonflame and Choice Scarf Landorus-T.</p>

<img src="/dex/media/sprites/xy/gyarados-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/gothitelle.gif" alt="" /><br />
<p><u>Mega Gyarados + Gothitelle</u><br />Gyarados @ Gyaradosite<br />
Ability: Intimidate<br />
EVs: 4 HP / 252 Atk / 252 Spd<br />
Adamant Nature<br />
- Stone Edge<br />
- Waterfall<br />
- Earthquake<br />
- Dragon Dance</p>

<p>Gothitelle @ Choice Specs<br />
Ability: Shadow Tag<br />
EVs: 84 HP / 252 SpA / 172 Spe<br />
Modest Nature<br />
IVs: 0 Atk<br />
- Psychic<br />
- Hidden Power [Fire]<br />
- Thunderbolt<br />
- Trick</p>

<p>This unusual-looking core focuses on Mega Gyarados's capabilities late-game sweeping. Mega Gyarados is an excellent late-game sweeper thanks to its great bulk and high Attack, but it does have its fair share of flaws. It is easily walled by the likes of Skarmory, Mandibuzz, and Ferrothorn, along with Chesnaught and Mega Venusuar if lacking Ice Fang and Kyurem-B if lacking Stone Edge. Gothitelle can trap and remove all of the aforementioned threats with Hidden Power Fire, Thunderbolt, or Psychic thanks to its amazing ability in Shadow Tag. Gyarados should not be sent into play until its checks and counters have been removed by Gothitelle. Then, Gyarados can switch into something it can force out, such as /*Greninja*/ or Mega Metagross, while possibly setting up two Dragon Dances. If Gothitelle has done its job, there's not much that can stop a boosted Gyarados. Gothitelle might have to be sacrificed after its targets have been eliminated, but if its job has been done, it isn't dead weight.</p>

<p>There are a few Pok&eacute;mon that pose a threat to this core, mainly Conkeldurr and Breloom. Both can revenge kill Gyarados with Mach Punch, while Gothitelle can have trouble switching in because Conkeldurr has Knock Off and Breloom can put it to sleep. These threats can be dealt with by delaying Gyarados's Mega Evolution so that it resists Mach Punch, but the power loss is very noticeable. Talonflame can also pose trouble for a weakened Gyarados because of priority Brave Bird. A Talonflame of your own makes for a great partner to this core thanks to its ability to remove these threats. Meanwhile, Gothitelle greatly appreciates support from Pok&eacute;mon with U-turn or Volt Switch, which let it have an easier time trapping and eliminating problematic foes. Landorus-T and Rotom-W are good options for this role that can also deal with the above threats to the core.</p>

<img src="/dex/media/sprites/xy/venusaur-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/heatran.gif" alt="" /> <img src="/dex/media/sprites/xy/quagsire.gif" alt="" /><br />
<p><u>Mega Venusaur + Heatran + Quagsire</u><br />Venusaur @ Venusaurite<br />
Ability: Chlorophyll<br />
EVs: 248 HP / 252 Def / 8 SpA<br />
Relaxed Nature<br />
- Giga Drain<br />
- Leech Seed<br />
- Synthesis<br />
- Sludge Bomb</p>

<p>Heatran @ Leftovers<br />
Ability: Flash Fire<br />
EVs: 248 HP / 220 SpD / 40 Spe<br />
Calm Nature<br />
- Lava Plume<br />
- Toxic<br />
- Protect<br />
- Taunt</p>

<p>Quagsire @ Leftovers<br />
Ability: Unaware<br />
EVs: 252 HP / 252 Def / 4 SpD<br />
Bold Nature / Relaxed Nature<br />
- Scald<br />
- Recover<br />
- Toxic<br />
- Earthquake</p>

<p>
This defensive core utilizes an extreme amount of defensive synergy to fight off the most prominent sweepers in the metagame. As demonstrated above, Mega Venusaur and Heatran have an incredible amount of type synergy. This allows them to fend off huge threats such as Terrakion, Latios, Latias, Mega Sceptile, Talonflame, Mega Lopunny, and Keldeo. Unaware Quagsire rounds off the core by walling and removing powerful setup sweepers such as Bisharp, Mega Charizard X, and Mega Pinsir. It also has great type synergy with both Heatran and Mega Venusaur, allowing the core to handle even more foes, including Mega Metagross and Mega Gallade.</p>

<p>However, there are still threats that can break this defensive core, though they are uncommon. Calm Mind Mega Sableye can set up easily thanks to Magic Bounce and Recover off any poison damage that might have been incurred by Sludge Bomb. Quagsire can PP stall it out, although this is not a very efficient method. Mega Heracross can overpower Venusaur with Megahorn and take down Heatran and Quagsire easily with Close Combat and Bullet Seed, respectively. Kyurem-B can bypass Mega Venusaur's Thick Fat thanks to Teravolt and hit it hard with a super effective STAB Ice Beam while hurting Heatran with a 4x super effective Earth Power. A great offensive teammate for this core is Talonflame; although it might not fit in with the defensive nature of this core, it can eat Will-O-Wisps from Mega Sableye and remove Mega Heracross easily.</p>

<img src="/dex/media/sprites/xy/sableye-mega.gif" alt="" /> <img src="/dex/media/sprites/xy/skarmory.gif" alt="" /> <img src="/dex/media/sprites/xy/chansey.gif" alt="" /><br />
<p><u>Mega Sableye + Skarmory + Chansey</u><br />Sableye @ Sablenite<br />
Ability: Prankster<br />
EVs: 252 HP / 252 Def / 4 SpD<br />
Bold Nature<br />
- Will-O-Wisp<br />
- Foul Play<br />
- Knock Off / Taunt<br />
- Recover</p>

<p>Skarmory @ Leftovers<br />
Ability: Sturdy<br />
EVs: 252 HP / 252 Def / 4 SpD<br />
Bold Nature<br />
- Roost<br />
- Whirlwind / Toxic<br />
- Spikes<br />
- Brave Bird / Defog</p>

<p>Chansey @ Eviolite<br />
Ability: Natural Cure<br />
EVs: 4 HP / 252 Def / 252 SpD<br />
Bold Nature<br />
- Soft-Boiled<br />
- Heal Bell / Toxic<br />
- Stealth Rock<br />
- Seismic Toss</p>

<p>This defensive core takes advantage of the absurdly high defensive stats of Skarmory and Chansey to recreate the famous DPP "SkarmBliss" core. In the modern era, Mega Sableye is needed to counter opposing status users that might threaten SkarmBliss but can be handled by Mega Sableye thanks to its useful ability in Magic Bounce and good bulk. Few unboosted Pok&eacute;mon can dream of breaking through this core. Mega Lopunny might be able to beat Mega Sableye thanks to Scrappy, but it cannot get past Skarmory unless it is severely weakened. Strong Psyshock users such as Latios and Mega Alakazam can find that Chansey's physical bulk is just as difficult to break through.</p>

<p>However, this also means that foes that have successfully set up are extremely dangerous. Swords Dance Bisharp might not enjoy Will-O-Wisp from Mega Sableye, but with a boost or two, it can break the core. Opposing Calm Mind Mega Sableye might not be able to touch Chansey, but Chansey can't do anything back either, leading to a PP war. Calm Mind Keldeo can break through Chansey, and consequently the rest of the core, with Secret Sword after multiple boosts. Therefore, using the core effectively means you need teammates that can identify setup sweepers and prevent them from doing so.</p>

<img src="/dex/media/sprites/xy/heatran.gif" alt="" /> <img src="/dex/media/sprites/xy/ferrothorn.gif" alt="" /> <img src="/dex/media/sprites/xy/zapdos.gif" alt="" /><br />
<p><u>Heatran + Ferrothorn + Zapdos</u><br />Heatran @ Leftovers<br />
Ability: Flash Fire<br />
EVs: 248 HP / 204 SpD / 56 Spe<br />
Calm Nature<br />
- Lava Plume<br />
- Toxic<br />
- Protect<br />
- Earth Power / Taunt</p>

<p>Ferrothorn @ Leftovers<br />
Ability: Iron Barbs<br />
EVs: 252 HP / 88 Def / 168 SpD<br />
IVs: 0 Spe<br />
- Stealth Rock<br />
- Gyro Ball / Power Whip<br />
- Leech Seed<br />
- Protect / Thunder Wave</p>

<p>Zapdos @ Rocky Helmet / Leftovers<br />
Ability: Pressure<br />
EVs: 248 HP / 216 Def / 44 Spe<br />
Bold Nature<br />
- Hidden Power [Ice]<br />
- Volt Switch / Thunderbolt<br />
- Roost<br />
- Defog / Heat Wave</p>

<p>Heatran returns again, with its useful typing proving helpful in generating tremendous type synergy for defensive cores. Ferrothorn is a fellow Steel-type that does what Mega Venusaur does, taking Water- and some Ground-type attacks for Heatran. Zapdos here is key: it takes the Fighting- and Ground-type attacks that both Heatran and Ferrothorn hate, while its Ice weakness is covered by Heatran and Rock by Ferrothorn. The core can handle many of the threats in the ORAS OU metagame, such as Mega Scizor, Latios, Latias, Talonflame, and Landorus-T.</p>

<p>However, as with all cores, this core is threatened by a multitude of Pok&eacute;mon. Mega Heracross is problematic, with Skill Link Rock Blast to take on Zapdos and Close Combat to demolish the Steel-types. Ice Punch Mega Gallade breaks through the core with ease. Mega Sceptile can engage Zapdos thanks to Lightning Rod, though it has to watch out for Hidden Power Ice, and can take on Heatran and Ferrothorn with well-aimed Focus Blasts. Kyurem-B survives a Gyro Ball and 2HKOes Ferrothorn with Ice Beam, with Earth Power to eliminate Heatran. While it doesn't fit with the defensive nature of the core, Talonflame can deal with all of these threats nicely with its powerful priority Brave Bird.</p>

<p>If you want more cores for teambuilding, check out <a href="/forums/threads/good-cores-oras.3521681/">this thread</a> for a whole collection of great cores for you to use.</p>

<h2>V - Teambuilding</h2>
<p><u>Using a core as the basis of your team</u><br />Due to most cores being self-sufficient, they are often used as the centers of teams and do the most work in battles. However, cores are far from perfect. For example, the core of Venusaur, Heatran, and Quagsire is beaten by the likes of Mega Heracross and Kyurem-B. A helpful teammate such as Talonflame is then added to patch up the core's weaknesses and allow that core to function better. This method of teambuilding around the core allows it to reach its full potential; good teammates are mentioned in the core descriptions above to help you teambuild around them.</p>

<p><u>Using analyses and outside sources</u><br />Smogon and other outside sources have a variety of tools that can help build cores and teams and test synergy. The "Team Options" and "Checks and Counters" sections in <a href="http://www.smogon.com/dex/">Smogon analyses</a> are very helpful for building teams and cores. <a href="http://sweepercalc.com/rmt/">bReakMyTeam</a> a great tool to test your team or core for threats. Finally, <a href="http://www.marriland.com/tools/team-builder">Marriland's Synergy Calculator</a> is great for testing synergy.</p>

<h2>VI - Conclusion</h2>
<p>Hopefully, after reading this guide, you have gained some knowledge on how to effectively teambuild and learned how the best teambuilders make their teams the best they can be. With this guide, the challenge won't be to teambuild around a certainPok&eacute;mon, it will be to choose one. Just remember that even with the endless viability rankings and articles that dictate which Pok&eacute;mon are effective and which are not, there is also another thing that is endless: your creativity.</p>
 

ant

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Synergies and Cores - The Fundamentals of Teambuilding

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<div class="author">By <a href="/forums/members/metal-sonic.158673/">Metal Sonic</a>.</div>

<div id="tc">
    <h2><a id="up"></a>Table of Contents</h2>
    <h3><a href="#intro">I - Introduction</a></h3>
   
    <h3>II - Synergy</h3>
    <ul>
        <li><a href="#syn1">What is Synergy?</a></li>
        <li><a href="#syn2">Synergy through Typing</a></li>
        <li><a href="#syn3">Synergy through Checks and Counters</a></li>
    </ul>
   
    <h3>III - Cores</h3>
    <ul>
        <li><a href="#cores1">What are cores?</a></li>
        <li><a href="#cores2">Types of Cores</a></li>
        <li><a href="#cores3">Building your own cores</a></li>
    </ul>
   
    <h3>IV - Example cores</h3>
    <ul>
        <li><a href="#eg1">Offensive cores</a></li>
        <li><a href="#eg1">Defensive cores</a></li>
    </ul>
   
    <h3>V - Teambuilding</h3>
    <ul>
        <li><a href="#tb1">Using cores as the basis of your team</a></li>
        <li><a href="#tb2">Using analyses and other sources</a></li>
    </ul>

    <h3><a href="#con">VI - Conclusion</a></h3>
</div>

<hr />

<div id="art">
    <h2><a id="intro"></a>I - Introduction</h2>
    <p>Teambuilding is the most important aspect of competitive Pok&eacute;mon and is thus an important skill to have. However, the art of teambuilding might not be intuitive; newer players often just use six powerful Pok&eacute;mon for their teams, rather than Pok&eacute;mon that work well together. To illustrate the importance of teambuilding, we can use the analogy of driving. Your team is the car, and you are the driver; a well-made, high-performance car will be much easier to drive than a shoddy one. Having a better team makes winning games easier. This article's purpose is to teach you how to teambuild effectively by taking into account synergy and cores.</p>

    <div class="goup"><a href="#up">Table of Contents</a></div>
   
    <h2>II - Synergy</h2>
    <h3><a id="syn1"></a>What is Synergy?</h3>
    <p><em>Synergy - "The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects."</em></p>
   
    <p>Synergy, to put it simply, is how well two or more Pok&eacute;mon work together. This is an essential part of teambuilding, as it separates a well-made team from one consisting of random Pok&eacute;mon. Teams that lack synergy are prone to having most or all of their team swept or walled by certain Pok&eacute;mon, as they lack the necessary checks and counters to these threats. On the other hand, having good synergy allows your team to sweep or wall any opposing team with ease. There are two different types of synergy: synergy through typing and synergy through checks and counters.</p>
   
    <h3><a id="syn2"></a>Synergy through Typing</h3>
    <p>Synergy through typing is when two or more Pok&eacute;mon are mutually resistant or immune to the other's weaknesses. This allows them to switch back and forth freely without taking much damage.</p>
   
    <img src="/dex/media/sprites/xy/venusaur-mega.gif" alt="Mega-Venusaur" /> <img src="/dex/media/sprites/xy/heatran.gif" alt="Heatran" />
    <p>One example of two Pok&eacute;mon with effective type synergy is Venusaur and Heatran. Venusaur has four weaknesses: Psychic, Flying, Fire, and Ice. Meanwhile, Heatran is immune to Fire and resists the other three. On the other hand, Heatran is weak to Ground, Fighting, and Water. In the same vein, although Venusaur is hit neutrally by Ground, it resists Fighting and Water. This almost perfect type synergy allows them to freely switch back and forth and apply defensive and offensive pressure to the opposing team.</p>
   
    <h3><a id="syn3"></a>Synergy through Typing</h3>
    <p>Synergy through checks and counters takes a different approach to synergy; instead of each Pok&eacute;mon covering the other's weaknesses through its typing, check and counter synergy involves two Pok&eacute;mon that work well together because each can remove the other's specific checks and counters. This type of synergy aims to give let each Pok&eacute;mon give its teammate an easier time fulfilling its role, whether it's walling or sweeping, by removing the Pok&eacute;mon that stop it from doing so.</p>
   
    <img src="/dex/media/sprites/xy/gyarados-mega.gif" alt="Mega-Gyarados" /> <img src="/dex/media/sprites/xy/talonflame.gif" alt="Talonflame" />
    <p>The combination of Mega Gyarados and Talonflame is the perfect example of check and counter synergy. While they don't have the best type synergy, each excels in defeating its partner's counters, opening up opportunities for their partner to sweep. Mega Gyarados is a deadly sweeper but is often hindered by the likes of Keldeo, Ferrothorn, and Skarmory. Talonflame can help Mega Gyarados by taking down these Pok&eacute;mon with its super effective STAB attacks. In the same vein, Talonflame is stopped by its fair share of counters, such as Heatran, Tyranitar, and Hippowdon. Mega Gyarados can assist Talonflame's sweep by destroying these Pok&eacute;mon. This is an illustration of a great synergetic pair through checks and counters.</p>
   
    <div class="goup"><a href="#up">Table of Contents</a></div>
   
    <h2>III - Cores</h2>
   
    <h3><a id="cores1"></a>What are Cores?</h3>
    <p>Cores are groups of two or more Pok&eacute;mon that have synergy through their typing, through checks and counters, or both. Cores are often self-sufficient and are usually used as the centers of teams that are built around them.</p>
   
    <h3><a id="cores2"></a>Types of Cores</h3>
    <p>In general, there are two types of cores: offensive cores and defensive cores. These types of cores ultimately differ in their playstyle and goals. Offensive cores are focused on quickly eliminating opposing Pok&eacute;mon with high-powered attacks. The Pok&eacute;mon in offensive cores aim to remove each other's checks and counters through their offensive type synergy in order to open up sweeping opportunities for their partners. Offensive cores primarily comprise of sweepers or bulky attackers that are usually able to eliminate or set up on each other's threats.</p>
   
    <p>In contrast, defensive cores are focused primarily on defensive type synergy. The main goal for these cores is to wear down or halt offensive threats so that the opposing team has trouble dealing any damage whatsoever. Defensive cores mainly consist of walls or very bulky attackers.</p>
   
    <h3><a id="cores3"></a>Building your own cores</h3>
    <p>During teambuilding, it isn't uncommon to accidentally build a great core just by taking into account the aforementioned idea of synergy. However, coming up with a core immediately is more difficult. When building a core, it is not wise to only pick Pok&eacute;mon that have good type synergy, as it is more important to take into account the common threats in the current metagame and if your core is able to handle most of them. Many new players often only take into account synergy through typing when teambuilding and building cores. While this can sometimes form effective cores, most of the time it is not enough. This is particularly noticeable in offensive cores, as the main objective for these cores is to clear a path for the team's sweepers rather than use defensive tactics and type synergy to neutralize opposing attackers; without checks and counters synergy, offensive cores will fail.. Cores become more effective and much easier to use if they incorporate both types of synergy.</p>
   
    <p>A good way to start when building a core is to select one Pok&eacute;mon and identify its weaknesses and checks and counters. Then, try to find another Pok&eacute;mon that covers these weaknesses in the best possible manner. Do not forget to take into account the base stats of the two Pok&eacute;mon. For example, the classic core of Skarmory and Chansey is effective purely because of how well their base stats complement each other: Skarmory is extremely physically bulky, while Chansey is extremely specially bulky. It is also very important to test your core in battles against the ladder or your friends. Often, the first core that you test will look good on paper but in reality isn't that effective. Through practical experimentation, you can identify the core's strengths and weaknesses, and might find a more effective Pok&eacute;mon to replace one in your core. Finally, it should be noted that these tips are not limited to building cores: they are also useful when one is trying to build a team.</p>
   
    <div class="goup"><a href="#up">Table of Contents</a></div>
   
    <h2>IV - Example Cores</h2>
   
    <h3><a id="eg1"></a>Offensive Cores</h3>
    <img src="/dex/media/sprites/xy/keldeo.gif" alt="Keldeo" /> <img src="/dex/media/sprites/xy/metagross-mega.gif" alt="Mega-Metagross" />
    <h4>Keldeo + Mega Metagross</h4>
    <ul>
        <li>Keldeo @ Leftovers</li>
        <li>Ability: Justified</li>
        <li>EVs: 252 SpA / 4 SpD / 252 Spe</li>
        <li>Timid Nature</li>
        <li>- Substitute</li>
        <li>- Calm Mind</li>
        <li>- Scald</li>
        <li>- Secret Sword</li>
    </ul>
   
    <ul>
        <li>Metagross @ Metagrossite</li>
        <li>Ability: Clear Body</li>
        <li>EVs: 252 Atk / 4 Def / 252 Spe</li>
        <li>Jolly Nature</li>
        <li>- Meteor Mash</li>
        <li>- Earthquake / Hammer Arm</li>
        <li>- Ice Punch / Pursuit</li>
        <li>- Zen Headbutt</li>
    </ul>
   
    <p>This offensively oriented core aims to dismantle opposing walls with both physical and special attacks, letting one partner open up a sweep for the other and end the game as quickly as possible. While this core lacks type synergy, it makes up for it with its excellent checks and counters synergy. Mega Metagross's devastating attacks are not taken easily by many; but those that can, such as Mega Sableye, Skarmory, Mandibuzz, Mega Scizor, and Bisharp, are decimated by Keldeo. Keldeo not only scores at worst a 2HKO on every listed Pok&eacute;mon but also can set up a Substitute and potentially a sweep against all of them. On the other hand, Keldeo's onslaught is stopped by the likes of Venusaur, Amoonguss, Latios, and Latias, all of which are annihilated by Mega Metagross. Keldeo and Mega Metagross have two different roles in this core; Keldeo functions as primarily a special sweeper and thus uses Calm Mind and Substitute, while Mega Metagross functions as a mid- to late-game sweeper and thus uses a multitude of coverage moves. However, if the opposing team is stall-oriented, Mega Metagross can also be used as a wallbreaker that destroys the common Venusaur + Heatran core and opens up a sweep for Keldeo.</p>
   
    <p>Even with me going on about how good this core is, there are still threats that you need to look out for. Talonflame is one of the biggest threats to this core, as it can outspeed and OHKO Mega Metagross and Keldeo with a strong Flare Blitz or Brave Bird, respectively. Though it is uncommon, Mega Sceptile can be a pain, as it outspeeds both and can even KO a weakened Mega Metagross. Azumarill can take any attack that Keldeo throws at it while also being able to take hits from Mega Metagross and retaliate in turn. Assault Vest Raikou is a great partner for this core, as it can check or counter all the aforementioned threats, softening them to let the core do its job. Rotom-W is also a good partner, as it can handle all the aforementioned threats bar Mega Sceptile.</p>
   
    <img src="/dex/media/sprites/xy/gallade-mega.gif" alt="Mega-Gallade" /> <img src="/dex/media/sprites/xy/diggersby.gif" alt="Diggersby" />
    <h4>Mega Gallade + Diggersby</h4>
    <ul>
        <li>Gallade @ Galladite</li>
        <li>Ability: Justified</li>
        <li>EVs: 252 Atk / 4 Def / 252 Spe</li>
        <li>Jolly Nature</li>
        <li>- Swords Dance</li>
        <li>- Zen Headbutt</li>
        <li>- Close Combat</li>
        <li>- Knock Off / Shadow Sneak / Ice Punch</li>
    </ul>
    <ul>
        <li>Diggersby @ Life Orb</li>
        <li>Ability: Huge Power</li>
        <li>EVs: 252 Atk / 4 Def / 252 Spe</li>
        <li>Adamant / Jolly Nature</li>
        <li>- Swords Dance</li>
        <li>- Return</li>
        <li>- Quick Attack</li>
        <li>- Earthquake</li>
    </ul>
   
    <p>This core is focused around the deadly sweeper that is Mega Gallade. Gallade's great Attack stat and access to Swords Dance works in tandem with its good Speed tier and decent movepool to deal tons of damage and sweep teams. However, there are still Pok&eacute;mon that Gallade can't break through, such as Mega Sableye, Mega Slowbro, defensive Landorus-T, and Unaware Clefable. Diggersby only has fair type Synergy with Gallade, taking Ghost-type attacks for it while Gallade can take Fighting-type attacks aimed at Diggersby. However, Swords Dance + Life Orb Diggersby can lure and demolish most of the Pok&eacute;mon that Gallade fails to beat by itself. Therefore, this core is a prime example of checks and counters synergy; both draw in and wear down each other's checks and counters.</p>
   
    <p>If you only have one other thing on a team built around this core, it should be fast revenge killers. This core lacks Speed and is hurt badly by faster offensive Pok&eacute;mon, such as Talonflame, Mega Lopunny, and Mega Sceptile. There are many fast revenge killers that you can use, such as Choice Scarf Landorus-T. A good option for a defensive partner is Rotom-W, as it has great type synergy with Diggersby and can easily deal with some faster threats, such as Talonflame and Choice Scarf Landorus-T.</p>
   
    <img src="/dex/media/sprites/xy/gyarados-mega.gif" alt="Mega-Gyarados" /> <img src="/dex/media/sprites/xy/gothitelle.gif" alt="Gothitelle" />
    <h4>Mega Gyarados + Gothitelle</h4>
    <ul>
        <li>Gyarados @ Gyaradosite</li>
        <li>Ability: Intimidate</li>
        <li>EVs: 4 HP / 252 Atk / 252 Spd</li>
        <li>Adamant Nature</li>
        <li>- Stone Edge</li>
        <li>- Waterfall</li>
        <li>- Earthquake</li>
        <li>- Dragon Dance</li>
    </ul>
   
    <ul>
        <li>Gothitelle @ Choice Specs</li>
        <li>Ability: Shadow Tag</li>
        <li>EVs: 84 HP / 252 SpA / 172 Spe</li>
        <li>Modest Nature</li>
        <li>IVs: 0 Atk</li>
        <li>- Psychic</li>
        <li>- Hidden Power [Fire]</li>
        <li>- Thunderbolt</li>
        <li>- Trick</li>
    </ul>
   
    <p>This unusual-looking core focuses on Mega Gyarados's capabilities late-game sweeping. Mega Gyarados is an excellent late-game sweeper thanks to its great bulk and high Attack, but it does have its fair share of flaws. It is easily walled by the likes of Skarmory, Mandibuzz, and Ferrothorn, along with Chesnaught and Mega Venusuar if lacking Ice Fang and Kyurem-B if lacking Stone Edge. Gothitelle can trap and remove all of the aforementioned threats with Hidden Power Fire, Thunderbolt, or Psychic thanks to its amazing ability in Shadow Tag. Gyarados should not be sent into play until its checks and counters have been removed by Gothitelle. Then, Gyarados can switch into something it can force out, such as Mega Metagross, while possibly setting up two Dragon Dances. If Gothitelle has done its job, there's not much that can stop a boosted Gyarados. Gothitelle might have to be sacrificed after its targets have been eliminated, but if its job has been done, it isn't dead weight.</p>
   
    <p>There are a few Pok&eacute;mon that pose a threat to this core, mainly Conkeldurr and Breloom. Both can revenge kill Gyarados with Mach Punch, while Gothitelle can have trouble switching in because Conkeldurr has Knock Off and Breloom can put it to sleep. These threats can be dealt with by delaying Gyarados's Mega Evolution so that it resists Mach Punch, but the power loss is very noticeable. Talonflame can also pose trouble for a weakened Gyarados because of priority Brave Bird. A Talonflame of your own makes for a great partner to this core thanks to its ability to remove these threats. Meanwhile, Gothitelle greatly appreciates support from Pok&eacute;mon with U-turn or Volt Switch, which let it have an easier time trapping and eliminating problematic foes. Landorus-T and Rotom-W are good options for this role that can also deal with the above threats to the core.</p>
       
    <div class="goup"><a href="#up">Table of Contents</a></div>   
   
    <h3><a id="eg2"></a>Defensive Cores</h3>
    <img src="/dex/media/sprites/xy/venusaur-mega.gif" alt="Mega-Venusaur" /> <img src="/dex/media/sprites/xy/heatran.gif" alt="Heatran" /> <img src="/dex/media/sprites/xy/quagsire.gif" alt="Quagsire" />
    <h4>Mega Venusaur + Heatran + Quagsire</h4>
    <ul>
        <li>Venusaur @ Venusaurite</li>
        <li>Ability: Chlorophyll</li>
        <li>EVs: 248 HP / 252 Def / 8 SpA</li>
        <li>Relaxed Nature</li>
        <li>- Giga Drain</li>
        <li>- Leech Seed</li>
        <li>- Synthesis</li>
        <li>- Sludge Bomb</li>
    </ul>
   
    <ul>
        <li>Heatran @ Leftovers</li>
        <li>Ability: Flash Fire</li>
        <li>EVs: 248 HP / 220 SpD / 40 Spe</li>
        <li>Calm Nature</li>
        <li>- Lava Plume</li>
        <li>- Toxic</li>
        <li>- Protect</li>
        <li>- Taunt</li>
    </ul>
   
    <ul>
        <li>Quagsire @ Leftovers</li>
        <li>Ability: Unaware</li>
        <li>EVs: 252 HP / 252 Def / 4 SpD</li>
        <li>Bold Nature / Relaxed Nature</li>
        <li>- Scald</li>
        <li>- Recover</li>
        <li>- Toxic</li>
        <li>- Earthquake</li>
    </ul>
   
    <p>This defensive core utilizes an extreme amount of defensive synergy to fight off the most prominent sweepers in the metagame. As demonstrated above, Mega Venusaur and Heatran have an incredible amount of type synergy. This allows them to fend off huge threats such as Terrakion, Latios, Latias, Mega Sceptile, Talonflame, Mega Lopunny, and Keldeo. Unaware Quagsire rounds off the core by walling and removing powerful setup sweepers such as Bisharp, Mega Charizard X, and Mega Pinsir. It also has great type synergy with both Heatran and Mega Venusaur, allowing the core to handle even more foes, including Mega Metagross and Mega Gallade.</p>
   
    <p>However, there are still threats that can break this defensive core, though they are uncommon. Calm Mind Mega Sableye can set up easily thanks to Magic Bounce and Recover off any poison damage that might have been incurred by Sludge Bomb. Quagsire can PP stall it out, although this is not a very efficient method. Mega Heracross can overpower Venusaur with Megahorn and take down Heatran and Quagsire easily with Close Combat and Bullet Seed, respectively. Kyurem-B can bypass Mega Venusaur's Thick Fat thanks to Teravolt and hit it hard with a super effective STAB Ice Beam while hurting Heatran with a 4x super effective Earth Power. A great offensive teammate for this core is Talonflame; although it might not fit in with the defensive nature of this core, it can eat Will-O-Wisps from Mega Sableye and remove Mega Heracross easily.</p>
   
    <img src="/dex/media/sprites/xy/sableye-mega.gif" alt="Mega-Sableye" /> <img src="/dex/media/sprites/xy/skarmory.gif" alt="Skarmory" /> <img src="/dex/media/sprites/xy/chansey.gif" alt="Chansey" />
    <h4>Mega Sableye + Skarmory + Chansey</h4>
    <ul>
        <li>Sableye @ Sablenite</li>
        <li>Ability: Prankster</li>
        <li>EVs: 252 HP / 252 Def / 4 SpD</li>
        <li>Bold Nature</li>
        <li>- Will-O-Wisp</li>
        <li>- Foul Play</li>
        <li>- Knock Off / Taunt</li>
        <li>- Recover</li>
    </ul>
   
    <ul>
        <li>Skarmory @ Leftovers</li>
        <li>Ability: Sturdy</li>
        <li>EVs: 252 HP / 252 Def / 4 SpD</li>
        <li>Bold Nature</li>
        <li>- Roost</li>
        <li>- Whirlwind / Toxic</li>
        <li>- Spikes</li>
        <li>- Brave Bird / Defog</li>
    </ul>
   
    <ul>
        <li>Chansey @ Eviolite</li>
        <li>Ability: Natural Cure</li>
        <li>EVs: 4 HP / 252 Def / 252 SpD</li>
        <li>Bold Nature</li>
        <li>- Soft-Boiled</li>
        <li>- Heal Bell / Toxic</li>
        <li>- Stealth Rock</li>
        <li>- Seismic Toss</li>
    </ul>
   
    <p>This defensive core takes advantage of the absurdly high defensive stats of Skarmory and Chansey to recreate the famous DPP "SkarmBliss" core. In the modern era, Mega Sableye is needed to counter opposing status users that might threaten SkarmBliss but can be handled by Mega Sableye thanks to its useful ability in Magic Bounce and good bulk. Few unboosted Pok&eacute;mon can dream of breaking through this core. Mega Lopunny might be able to beat Mega Sableye thanks to Scrappy, but it cannot get past Skarmory unless it is severely weakened. Strong Psyshock users such as Latios and Mega Alakazam can find that Chansey's physical bulk is just as difficult to break through.</p>
   
    <p>However, this also means that foes that have successfully set up are extremely dangerous. Swords Dance Bisharp might not enjoy Will-O-Wisp from Mega Sableye, but with a boost or two, it can break the core. Opposing Calm Mind Mega Sableye might not be able to touch Chansey, but Chansey can't do anything back either, leading to a PP war. Calm Mind Keldeo can break through Chansey, and consequently the rest of the core, with Secret Sword after multiple boosts. Therefore, using the core effectively means you need teammates that can identify setup sweepers and prevent them from doing so.</p>
   
    <img src="/dex/media/sprites/xy/heatran.gif" alt="Heatran" /> <img src="/dex/media/sprites/xy/ferrothorn.gif" alt="Ferrothorn" /> <img src="/dex/media/sprites/xy/zapdos.gif" alt="Zapdos" />
    <h4>Heatran + Ferrothorn + Zapdos</h4>
    <ul>
        <li>Heatran @ Leftovers</li>
        <li>Ability: Flash Fire</li>
        <li>EVs: 248 HP / 204 SpD / 56 Spe</li>
        <li>Calm Nature</li>
        <li>- Lava Plume</li>
        <li>- Toxic</li>
        <li>- Protect</li>
        <li>- Earth Power / Taunt</li>
    </ul>
   
    <ul>
        <li>Ferrothorn @ Leftovers</li>
        <li>Ability: Iron Barbs</li>
        <li>EVs: 252 HP / 88 Def / 168 SpD</li>
        <li>IVs: 0 Spe</li>
        <li>- Stealth Rock</li>
        <li>- Gyro Ball / Power Whip</li>
        <li>- Leech Seed</li>
        <li>- Protect / Thunder Wave</li>
    </ul>
   
    <ul>
        <li>Zapdos @ Rocky Helmet / Leftovers</li>
        <li>Ability: Pressure</li>
        <li>EVs: 248 HP / 216 Def / 44 Spe</li>
        <li>Bold Nature</li>
        <li>- Hidden Power [Ice]</li>
        <li>- Volt Switch / Thunderbolt</li>
        <li>- Roost</li>
        <li>- Defog / Heat Wave</li>
    </ul>
   
    <p>Heatran returns again, with its useful typing proving helpful in generating tremendous type synergy for defensive cores. Ferrothorn is a fellow Steel-type that does what Mega Venusaur does, taking Water- and some Ground-type attacks for Heatran. Zapdos here is key: it takes the Fighting- and Ground-type attacks that both Heatran and Ferrothorn hate, while its Ice weakness is covered by Heatran and Rock by Ferrothorn. The core can handle many of the threats in the ORAS OU metagame, such as Mega Scizor, Latios, Latias, Talonflame, and Landorus-T.</p>
   
    <p>However, as with all cores, this core is threatened by a multitude of Pok&eacute;mon. Mega Heracross is problematic, with Skill Link Rock Blast to take on Zapdos and Close Combat to demolish the Steel-types. Ice Punch Mega Gallade breaks through the core with ease. Mega Sceptile can engage Zapdos thanks to Lightning Rod, though it has to watch out for Hidden Power Ice, and can take on Heatran and Ferrothorn with well-aimed Focus Blasts. Kyurem-B survives a Gyro Ball and 2HKOes Ferrothorn with Ice Beam, with Earth Power to eliminate Heatran. While it doesn't fit with the defensive nature of the core, Talonflame can deal with all of these threats nicely with its powerful priority Brave Bird.</p>
   
    <p>If you want more cores for teambuilding, check out <a href="/forums/threads/good-cores-oras.3521681/">this thread</a> for a whole collection of great cores for you to use.</p>
       
    <h2>V - Teambuilding</h2>
    <h3><a id="tb1"></a>Using a core as the basis of your team</h3>
    <p>Due to most cores being self-sufficient, they are often used as the centers of teams and do the most work in battles. However, cores are far from perfect. For example, the core of Venusaur, Heatran, and Quagsire is beaten by the likes of Mega Heracross and Kyurem-B. A helpful teammate such as Talonflame is then added to patch up the core's weaknesses and allow that core to function better. This method of teambuilding around the core allows it to reach its full potential; good teammates are mentioned in the core descriptions above to help you teambuild around them.</p>
   
    <h3><a id="tb2"></a>Using analyses and outside sources</h3>
    <p>Smogon and other outside sources have a variety of tools that can help build cores and teams and test synergy. The "Team Options" and "Checks and Counters" sections in <a href="http://www.smogon.com/dex/">Smogon analyses</a> are very helpful for building teams and cores. <a href="http://sweepercalc.com/rmt/">bReakMyTeam</a> a great tool to test your team or core for threats. Finally, <a href="http://www.marriland.com/tools/team-builder">Marriland's Synergy Calculator</a> is great for testing synergy.</p>
       
    <h2><a id="con"></a>VI - Conclusion</h2>
    <p>Hopefully, after reading this guide, you have gained some knowledge on how to effectively teambuild and learned how the best teambuilders make their teams the best they can be. With this guide, the challenge won't be to teambuild around a certainPok&eacute;mon, it will be to choose one. Just remember that even with the endless viability rankings and articles that dictate which Pok&eacute;mon are effective and which are not, there is also another thing that is endless: your creativity.</p>
   
    <div class="goup"><a href="#up">Table of Contents</a></div>
</div>
I made a few changes and fixed a few HTML misconceptions. Also made the table of contents clickeable and so it redirects you to the part you want + added a go back to table link in a few places of the document, since it's managed with anchor links. also gave it some nice and simple design. Otherwise, nicely done :)
 
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