[OVERVIEW]
Latias's typing makes it a great offensive check to a variety of OU threats, including Keldeo, Breloom, Manaphy, and Mega Manectric. This defensive utility, coupled with access to Defog, makes it an excellent choice for both offensive and balanced teams. On top of that, Latias's Mega Evolution is incredibly bulky, allowing it to serve as a reliable choice for support on defensive teams. Latias's main issue is that outside of its Mega Evolution and Healing Wish, it is almost entirely outclassed by Latios, which brings far more power to the table. It also finds itself walled by common Fairy-types, such as Azumarill, Mega Gardevoir, and Clefable, as well as Steel-types such as Klefki, Ferrothorn, and Scizor. Although Latias's Psychic typing brings a useful set of resistances, it also brings a weakness to Pursuit trappers, which access to Reflect Type can help nullify.
[SET]
name: Defensive
move 1: Thunderbolt
move 2: Ice Beam
move 3: Roost
move 4: Reflect Type / Thunder Wave
item: Latiasite
ability: Levitate
nature: Timid
evs: 252 HP / 4 SpD / 252 Spe
[SET COMMENTS]
Moves
========
Ice Beam and Thunderbolt complement each other's coverage excellently, allowing Mega Latias to hit almost everything in the tier for neutral damage. They also let it threaten common Pokemon on balance, such as Landorus-T, Gliscor, Skarmory, and non-Calm Mind Slowbro. Roost allows Mega Latias to heal itself and reliably check opposing threats throughout the match. Reflect Type changes Mega Latias's typing to match its foe's, allowing it to fare better against Ferrothorn, Heatran, and Hoopa-U while also allowing it to escape Pursuit from Bisharp and Tyranitar. Thunder Wave cripples most offensive Pokemon while annoying slower ones with the chance to skip their turn. Calm Mind turns Mega Latias from a support Pokemon into a bulky wincon that is able to wall most attackers after a couple boosts.
Set Details
========
Maximum Speed and a Timid nature allow Mega Latias to Speed tie with opposing Latias, Latios, Mega Metagross, and Gengar while outrunning Keldeo, Terrakion, and slower threats. Maximum HP investment allows Mega Latias to tank hits as well as possible. An alternative spread of 248 HP / 68 Def / 192 Spe lets Latias outspeed positive-natured base 100s, such as Mega Charizard Y and Manaphy, as well as outrun maximum Speed Jolly Garchomp. Latiasite drastically improves Latias's bulk, improving its longevity and allowing it to take hits it usually wouldn't be able to, such as Choice Scarf Tyranitar's Pursuit.
Usage Tips
========
Mega Latias's typing and incredible bulk allow it to switch in on and check many offensive threats, including Keldeo, Breloom, Thundurus, Manaphy, Mega Manectric, Mega Charizard Y, and Rotom-W. When pivoting in and out, use Roost on predicted switches in order to keep Mega Latias healthy and to avoid having it be KOed by the Pokemon it's hoping to check. Sets running Reflect Type or Thunder Wave are typically used for their support abilities, being able to switch in on and check threats. Calm Mind sets, on the other hand, are wincons, so you'll want to play more carefully with Mega Latias. Try to remove or weaken problematic Pokemon, such as Tyranitar, Bisharp, Jirachi, and Ferrothorn, before you start setting up. When playing against Tyranitar, identifying which set it is running can be a huge deal, as certain sets are much more threatening to Mega Latias than others. Support Tyranitar, for example, is often unable to do much to Mega Latias, while Choice Scarf sets cannot beat Mega Latias if it stays on the field as Tyranitar uses Pursuit. Choice Band Tyranitar, however, is always a danger for Mega Latias, so identifying and removing it grants Mega Latias much more freedom.
Team Options
========
Mega Latias forces plenty of switches, so it appreciates entry hazard support to take full advantage of them. Teammates such as Skarmory and Ferrothorn are able to set Spikes and Stealth Rock and they have good synergy with Mega Latias as well. Fighting-types such as Keldeo, Conkeldurr, Cobalion, and Infernape are all able to beat Steel- and Dark-types for Mega Latias, while Mega Latias in turn can take on bulky Water-types that these Pokemon despise. Clefable and Mega Latias make for a potent duo, as they share counters that can be crippled by Thunder Wave, such as Jirachi and Mega Metagross. Having these Pokemon paralyzed by one teammate allows the other to boost with Calm Mind much more easily. Mega Latias is forced out by Fairy-types, so Pokemon that can beat them such as Jirachi, Heatran, Excadrill, and Amoonguss can make for excellent partners.
[SET]
name: Offensive Defog
move 1: Draco Meteor
move 2: Psyshock
move 3: Healing Wish
move 4: Defog / Roost
item: Life Orb
ability: Levitate
nature: Timid
evs: 72 HP / 184 SpA / 252 Spe
[SET COMMENTS]
Moves
========
Draco Meteor is Latias's most powerful attack, able to deal heavy damage to most Pokemon that don't resist it. Psyshock gives Latias a consistent form of damage output, allowing it to deal with Keldeo, Mega Venusaur, Amoonguss, and Breloom while giving it a way to hit Fairy-types. Healing Wish allows Latias to remove all damage and status from one of its teammates, but it causes Latias to faint upon using it. Defog removes all entry hazards from the field, whereas Roost provides Latias a way of healing itself, granting it more staying power. Thunderbolt can be run over Psyshock, giving Latias a harder hit against Manaphy, Mega Charizard Y, and Azumarill while maintaining coverage on Keldeo. However, Latias will not be able to beat Mega Venusaur or Amoonguss.
Set Details
========
The HP investment prevents Latias from being 2HKOed by Life Orb Thundurus's Hidden Power Ice, while 252 Speed and a Timid nature allow it to outrun Keldeo and Terrakion and Speed tie with Latios, Gengar, and other Latias. The remaining EVs are put into Special Attack in order to give Latias more offensive power. Life Orb serves to improve Latias's damage output, with a slight cost to its health. If Thundurus isn't an issue, a spread of 4 Def / 252 SpA / 252 Spe can be run to maximize Latias's offensive presence.
Usage Tips
========
Latias is able to switch into Pokemon such as Keldeo, Manaphy, Thundurus, Mega Charizard Y, Mega Venusaur, and Amoonguss and check Breloom, Mega Manectric, and Rotom-W. Bear in mind that many of these Pokemon are commonly paired with Pursuit trappers, so be wary of a double switch or Volt Switch as Latias comes in. Defog should be used when you need to remove entry hazards from your own side of the field, but be aware if your opponent has a Bisharp or Thundurus because Defog triggers Defiant, which could prove dangerous. When running Roost, look for opportunities to use it against Pokemon that can't threaten Latias, as this will allow it to stay healthy throughout the match. When running Healing Wish, wait to use it until Latias is no longer needed or until a crippled teammate would be more useful to have healthy again. Using Healing Wish too early leaves the team without an answer to several potent attackers, so it's best to wait until they have been dealt with before getting rid of your answer to them.
Team Options
========
Fighting-types such as Keldeo, Mega Lopunny, Breloom, and Mega Heracross are able to beat Dark-types like Bisharp, Tyranitar, and Weavile for Latias. Fire- and Ground-types such as Heatran, Mega Charizard Y, Landorus-T, and Garchomp can help deal with Steel-types. Steel-types like Jirachi and Metagross are able to beat Fairy-types. In return, Latias provides a switch-in for bulky Water-types that these Pokemon typically dislike going up against. Fairy-types like Azumarill, Clefable, and Mega Gardevoir are able to beat opposing Dragon-types, which can heavily damage Latias. Setup sweepers appreciate Latias's ability to heal them up to full via Healing Wish, as this allows them to exert pressure early on without worrying about being crippled. Offensive powerhouses such as Dragon Dance Gyarados, Swords Dance Mega Scizor, Tail Glow Manaphy, Swords Dance Talonflame, Dragon Dance Mega Charizard X, Swords Dance Bisharp, and Serperior can all take advantage of Latias's support.
[STRATEGY COMMENTS]
Other Options
=============
Latias's offensive movepool is fairly varied, carrying moves such as Surf, Earthquake, Grass Knot, and both Hidden Power Fire and Hidden Power Fighting. However, it faces heavy competition from Latios in an offensive role, as Latios's superior firepower makes it the favored choice. Because of this, however, Latias is able to lull typical switch-ins into a false sense of security and lure them more effectively. Colbur Berry is an option to halve the power of a Dark-type move, granting Latias a way of escaping Pursuit trappers once without taking too much damage. Stored Power can be run over a coverage move on the Mega Calm Mind set, as it can let Mega Latias run over opposing Calm Mind boosters. However, the poor coverage that this replacement causes makes Latias struggle against Pokemon that resist its moves if it hasn't gotten a ton of boosts. Stored Power also struggles to deal damage without boosting, making it really only useful for the late-game.
Checks and Counters
===================
**Steel-types**: Ferrothorn, Heatran, Excadrill, Metagross, Klefki, and Scizor resist Latias's STAB moves and can easily set up against it.
**Dark-types**: Bisharp, Tyranitar, Weavile, and Hoopa-U are all immune to Latias's Psychic-type STAB moves and are able to deal heavy damage back to it. The former three also have access to Pursuit, which can KO Latias even if it tries to switch out.
**Fairy-types**: Azumarill, Clefable, Mega Diancie, Mega Gardevoir, Mega Altaria, and Sylveon are immune to Latias's Dragon-type STAB moves and are able to threaten it back with super effective attacks.
**Faster Attackers**: Priority attackers, Choice Scarf users, and naturally faster Pokemon can be huge threats to Latias. Be on the lookout for Mamoswine, Toxicroak, Scizor, Talonflame, Kyurem-B, and Landorus-T, as these Pokemon commonly carry priority moves or Choice Scarf. Naturally faster threats include Scolipede, Mega Beedrill, Mega Lopunny, and Tornadus-T.
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