
Overview
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With the highest Special Attack of any Electric-type in the game, Thundurus-T can be daunting to face. It has a good Speed stat as well, although it's not as good as it used to be. Thundurus-T's offensive prowess is augmented by its access to powerful boosting moves in Nasty Plot and Agility, as well as the defensive typing to set these up on certain threats. It also has several good coverage options that make it difficult to counter without knowing its moves. Although it is relatively frail, its typing makes it resistant to most priority moves, so teams cannot fall back on them as an answer. However, Thundurus-T faces a lot of competition from its Incarnate forme. While Volt Absorb is a useful ability, it's quite inferior to Prankster. Thundurus has a higher Speed as well, which can be crucial. Outside of the competition, Thundurus-T's switch-in opportunities are limited by Stealth Rock, and its poor bulk can make it difficult to set up if the opponent keeps up the pressure. Finally, you run the risk of being walled even if you can set up if you don't have the right coverage move. Overall, though, despite its flaws, Thundurus-T can be a very powerful sweeper.
Nasty Plot
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name: Nasty Plot
move 1: Nasty Plot
move 2: Thunderbolt
move 3: Hidden Power Flying
move 4: Focus Blast
ability: Volt Absorb
item: Leftovers / Lum Berry
evs: 20 HP / 252 SpA / 236 Spe
ivs: 30 SpA / 30 SpD / 30 Spe
nature: Modest
Moves
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Nasty Plot makes Thundurus-T nearly impossible to wall, helping it be an extremely powerful stallbreaker. Thunderbolt is your strong bread-and-butter STAB attack. Hidden Power Flying is a secondary STAB attack that can wreck Mega Venusaur, something that would counter Thundurus-T otherwise. In conjunction with Thundurus-T's STAB moves, Focus Blast gets nearly unresisted coverage except for itself, Rotom, and the extremely relevant Dedenne. It also hits would-be-checks like Tyranitar, Excadrill, Kyurem-B, Chansey, and Heatran super effectively. Grass Knot can be used instead to hurt Hippowdon, Quagsire, and Gastrodon, but Focus Blast hits them hard enough, especially with Nasty Plot.
Set Details
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The Speed EVs outspeed Jolly Pinsir, while Special Attack is maximized to hit as hard as possible. The remainder goes into HP, which also gives you a number divisible by 16. If using Leftovers, this is best as it gives Thundurus-T more recovery each turn. If Lum Berry is used instead, then move 4 EVs from HP to Defense to reduce Stealth Rock damage. The IVs give the most efficient spread for Hidden Power Flying. Leftovers is generally the better item to sustain the stallbreaking, but Lum Berry is also very good to get a free pass from status. Life Orb could be used, but at that point this set is better used by Thundurus.
Usage Tips
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Nasty Plot Thundurus-T is used as an early- or mid-game wallbreaker that can break many defensive cores. It excels against stall, but can struggle against offensive teams and will not be as helpful as against them. This set is rather prediction-reliant in order to set up, as it often does it on predicted switches. Because it does not use Agility, this Thundurus-T is much easier to check as well, so predicting switches may be necessary. It's best to come in for free on a double switch, after a KO, or from a slow U-Turn or Volt Switch, so that you can set up on as healthily as possible. If your opponent has something like Latios that is an easy switch-in and outspeeds, there is no reason to use Nasty Plot and you should instead just attack and switch out.
Team Options
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Like any offensive Pokemon, Thundurus-T appreciates entry hazards, and Deoxys-D is a great setter. Nasty Plot Thundurus-T is primarily a wallbreaker, so sweepers that can take advantage like Belly Drum Azumarill and Dragon Dance Mega Charizard X are good teammates. Keldeo has good defensive synergy, resisting Rock- and Ice-type attacks, while Thundurus-T resists Grass-, Flying-, and Electric-type moves. Keldeo can also break through Chansey easily or sweep after Thundurus-T wallbreaks. Aegislash, Tyranitar, and Scizor can easily switch into Latios and Latias. Aegislash and Tyranitar can Pursuit trap them, while Scizor has a slow U-Turn to get Thundurus-T in for free.
Agility
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name: Agility
move 1: Agility
move 2: Thunderbolt
move 3: Hidden Power Flying / Hidden Power Ice
move 4: Focus Blast / Psychic
ability: Volt Absorb
item: Life Orb
evs: 4 Def / 252 SpA / 252 Spe
nature: Modest
Moves
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This Thundurus-T boosts its Speed with Agility to be nearly impossible to revenge kill. Thunderbolt is its strongest reliable STAB attack. Hidden Power Flying is a secondary STAB that hits Grass-types hard, especially Mega Venusaur. Hidden Power Ice can also be used to hit Dragon-types. Focus Blast gets the best coverage with Hidden Power Flying and hits Tyranitar, Excadrill, Kyurem-B, and Heatran super effectively. If not using Hidden Power Flying, Psychic is needed to get past Mega Venusaur. Grass Knot is also an option in the last slot to hit Hippowdon, Quagsire, and Gastrodon harder.
Set Details
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Speed and Special Attack are maximized to be as fast as possible before using Agility and to hit hard. Life Orb is the best item to get a great boost in power. A Modest nature is best since Thundurus-T is boosting its speed, but Timid could be used if you want to outspeed base 100 Speed Pokemon before you boost.
Usage Tips
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Thundurus-T should come in for free on something that it can definitely beat, like Talonflame locked into Brave Bird. It should be used as a late-game cleaner, not in the middle. If its checks are still healthy, then it shouldn't bother setting up, as it will just be forced out. Although it resists Flying-type moves, Choice Band Talonflame can revenge kill it once it drops below 50%.
Team Options
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Thundurus-T really appreciates hazards to weaken its checks so that it can sweep, and to this end, Deoxys-D is very helpful. Belly Drum Azumarill can often clean up after Thundurus-T comes through, as the two share similar checks in Latias and Mega Venusuar. Latios is a good Defogger to increase Thundurus-T's set up opportunities and can also wallbreak. Keldeo has good defensive synergy, resisting Rock- and Ice-type attacks while Thundurus-T resists Grass-, Electric-, and Flying-type moves. They also share common counters that they can weaken for each other. Scizor checks Latios and Latias well, and can supply a slow U-Turn while threats like Talonflame come in to help Thundurus-T.
Double Booster
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name: Double Booster
move 1: Agility
move 2: Nasty Plot
move 3: Thunderbolt
move 4: Hidden Power Ice / Hidden Power Flying
ability: Volt Absorb
item: Leftovers / Life Orb
evs: 156 HP / 252 SpA / 100 Spe
nature: Modest
Moves
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Thundurus-T can set up two different boosts with this set. Agility allows it to outspeed almost anything your opponent could have, while Nasty Plot boosts its Special Attack up to terrifying levels. Thunderbolt is a strong STAB move, while you have a choice of two Hidden Powers for coverage. Hidden Power Ice gets almost perfect neutral coverage, but Hidden Power Flying is stronger against a neutral target and beats Mega Venusaur.
Set Details
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The Speed EVs allow Thundurus-T to outspeed Scarf Latios at +2, generally the fastest Pokemon you will come across. After that, Special Attack is maximized with a Modest nature to hit as hard as possible. The rest goes into HP to increase set up opportunities. Leftovers is the better item to set up boosts, but Life Orb could be used for more power.
Usage Tips
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Double Booster Thundurus-T works like a middle ground between a Nasty Plot or Agility set. Usually, it won't get to do both, so you should pick depending on the team you're facing. If you are facing a more defensive team, set up Nasty Plot mid-game to break walls. If you are facing a more offensive team, set up Agility late game to clean up and sweep. Most of the time, only one will be necessary, although if both are set up it can be very difficult for the opponent to recover. When it comes to setting up, the HP EVs are nice to make it easier, but it is still better to do it on predicted switches so your bulk is preserved for sweeping.
Team Options
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Deoxys-D is a great teammate to set up entry hazards that wear down Thundurus-T's checks. Mega Pinsir is an effective wallbreaker or sweeper that can pair with Thundurus-T, although it stacks weaknesses. Belly Drum Azumarill can clean up after Thundurus-T goes through the opposing team. Keldeo has great defensive synergy, resisting Rock- and Ice-type attacks while Thundurus-T resists Grass-, Electric-, and Flying-type moves. They also share common counters, so they can sweep after each other. Scizor can offer a slow U-Turn to get Thundurus-T in for free as something like Talonflame comes in. Tyranitar, Aegislash, and Bisharp can Pursuit trap Latios and Latias, two of Thundurus-T's biggest checks.
Other Options
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Thundurus-T has a nice Speed tier and access to Volt Switch for a Choice Scarf set, but Choice-locked Electric-type attacks are easy to exploit. U-turn can also be used to grab momentum and weaken Latios and Latias. To this end, Knock Off can be used as Chansey is one of the best counters, and it also hits Latios and Latias. An All-Out Attacker without boosting moves could be used, as well as other moves like Substitute or Taunt. However, in general, Thundurus outclasses Thundurus-T at these other options.
Checks & Counters
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**Extremely Specially Bulky Pokemon**: Tyranitar can take Thunderbolts with ease, but it will lose to Focus Blast. Blissey and Chansey can wall Agility sets with ease, but Nasty Plot sets will break through. Heatran can beat any set without Focus Blast with Roar.
** Bulky Dragon-types without a 4x weakness to Ice**: Latios and Latias are two of Thundurus-T's best checks, but Hidden Power Ice can do good damage as they switch in. Kyurem-B can beat it as long as it doesn't have Focus Blast. Assault Vest Goodra is very bulky, but it can't OHKO, and a +2 Hidden Power Ice will 2HKO, so it cannot switch in and win.
**Ground-types**: Excadrill can beat Thundurus-T if it does not have Focus Blast. Specially Defensive Hippowdon beats sets without Grass Knot or Nasty Plot. Mamoswine can't switch in but nearly OHKOs with Ice Shard.
**Grass-types**: Mega Venusaur beats sets without Hidden Power Flying or Psychic. Celebi also beats sets that don't have Hidden Power Flying or Nasty Plot.
**Offensive Pressure**: Thundurus-T can be difficult to revenge kill when it often uses Agility and resists most priority. The best way to keep it from setting up and destroying your team is by keeping up pressure.
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