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Set Details Pain Split gives a good boost in longevity, helping Rotom-C continuously pivot and remove entry hazards throughout a battle. Alternatively, Will-O-Wisp lets Rotom-C more quickly wear down checks to it like non-Rest Guzzlord, Decidueye, and Vileplume. Offensive investment makes Rotom-C's Volt Switch more cumbersome for special walls like Copperajah and Sylveon to switch into, but opting for more bulk, especially alongside Will-O-Wisp, gives it more leeway around physical attackers like Guzzlord and Dhelmise. Rotom-C commonly draws in Dragon- and Grass-types, so wallbreakers like Glastrier and Assault Vest Copperajah work well here; in addition, they appreciate Rotom-C safely bringing them in with Volt Switch, since their low Speed often leaves them vulnerable to taking hits first from the foe. Since Rotom-C is one of NU's most consistent pivots, it pairs well with other pivots like Talonflame, Silvally-Ground, and Passimian. Talonflame also switches into U-turns from foes like Ninjask, and it can bring Rotom-C in against Diancie. Rotom-C is poor at keeping Stealth Rock off the field against Copperajah; strong physical wallbreakers like Passimian, Golurk, and Guzzlord help mitigate this issue.

Set Details Pain Split lets Rotom-C make better use of its ability to switch into foes like Vaporeon and Mantine, and it can also be used to weaken checks like Copperajah and Guzzlord that have high HP stats. Thunderbolt can be run instead so Rotom-C has a spammable Electric-type attack after it boosts, but it's usually not necessary. Rotom-C needs Dragon- and Grass-types weakened or removed before it can sweep with Nasty Plot, so pair it with wallbreakers like Choice Specs Sylveon, Assault Vest Copperajah, and Toxicroak. Conversely, Rotom-C is great at repeatedly taking advantage of bulky Water-types like Vaporeon, Mantine, and Quagsire; offensive Fire- and Water-types like Salazzle, Starmie, and Inteleon appreciate this, and in return, they can help wear down bulky Dragon-types like Guzzlord. Rotom-C struggles with being easily revenge killed by faster threats like Flare Blitz Talonflame, Drapion, and Ninjask if it attempts to set up too early; make sure to pair it with checks like Vaporeon, Mudsdale, and Diancie.

Set Details The combination of Trick and Defog makes Rotom-C an incredible source of utility and gives it even more room to cripple checks to it like Guzzlord, Alolan Exeggutor, and Vileplume. Alternatively, Nasty Plot gives it great late-game potential. If you wish to have a more consistent attack to lock into, Thunderbolt is a good alternative that does more damage to Salazzle and can't miss versus Water-types like Starmie. 8 HP EVs prevent Talonflame from 2HKOing Rotom-C with Brave Bird. Pokemon like Salazzle, Starmie, and Guzzlord benefit from Rotom-C crippling shared checks like Snorlax and Vileplume with Trick. Similarly, wallbreakers like Golurk and Swords Dance Toxicroak appreciate being safely brought in against foes like Snorlax and Decidueye that they match up well into. Golurk can also help against Copperajah, and Toxicroak easily deals with Vaporeon, which otherwise easily scouts Rotom-C with Protect. Setup Grass-types like Decidueye and opposing Rotom-C can take advantage of Rotom-C locking into Leaf Storm, so checks to them like Assault Vest Copperajah, Drapion, and Guzzlord are necessary teammates.

Moves Volt Switch allows Rotom-Mow to generate momentum for its team while chipping various Pokemon that can usually switch into it such as Roserade and Registeel. Will-O-Wisp enables Rotom-Mow to cripple threats like Metagross while preventing the likes of Virizion and Tsareena from switching in for free. Thunderbolt is an alternative STAB option that doesn't force Rotom-Mow to switch out and allows it to consistently take on foes such as Mandibuzz, though this sacrifices the utility provided by Will-O-Wisp. With Stealth Rock support, Hidden Power Ice can OHKO Mega Sceptile and 2HKO Tangela while also dealing a considerable amount of damage to checks like offensive Roserade. However, this also forces Rotom-Mow to replace a useful utility option and doesn't do sufficient damage to targets such as Goodra and Shaymin, while Synthesis variations of Shaymin and Roserade can heal off damage quite easily. Set Details Maximum investment in Special Attack and Speed alongside a Timid nature is preferred so that Rotom-Mow can apply the most offensive pressure possible while outspeeding foes like Nidoqueen and Mega Blastoise. Grassium Z in conjunction with Leaf Storm gives Rotom-Mow a powerful one-time STAB move, which can OHKO Pokemon such as Nidoqueen and Gardevoir after Stealth Rock damage while preventing Leaf Storm's stat reduction penalty. Usage Tips Find opportunities to use Defog against entry hazard setters threatened by Rotom-Mow like Rhyperior, Gigalith, Diancie, and Steelix, which are usually forced out, though Rotom-Mow must be cautious when pivoting into these Pokemon, as they can cripple it with Toxic or chip it with their STAB moves. Pokemon like Metagross and Milotic are also targets that Rotom-Mow can take advantage of and use Defog against. Despite this, Rotom-Mow's average bulk and lack of recovery options make it rather easy to wear down, so it should exercise caution when directly switching into Stealth Rock users like Gigalith and Rhyperior, which can do significant damage with Stone Edge or Megahorn. Volt Switch will often be Rotom-Mow's attacking move of choice to generate momentum against switch-ins like Roserade and Goodra. Once such answers have been eliminated, Rotom-Mow can more freely use Leaf Storm, especially in tandem with Grassium Z to take out offensive threats like Gardevoir and Machamp. Be cautious when using Will-O-Wisp, as it can activate Flash Fire on Houndoom and Arcanine or make the special walls that like to switch into Rotom-Mow like Cresselia and Porygon2 immune to Toxic, which can be detrimental to teams that rely on status to wear them down. Similarly, Leaf Storm's stat reduction can make Rotom-Mow vulnerable to various wallbreakers and setup sweepers like Machamp, Necrozma, and Raikou. Team Options Fire-, Steel-, and Psychic-types like Salazzle, Metagross, and Gardevoir can exploit the Grass- and Poison-types Rotom-Mow can force into play like Roserade and Dragalge, and they appreciate the support provided by Volt Switch. Other Fire-types like Ninetales in addition to Flying- and Bug-types such as Noivern and Golisopod greatly appreciate Rotom-Mow's ability to remove Stealth Rock with Defog while threatening Rock-type entry hazard setters such as Gigalith and Diancie. Wallbreakers and setup sweepers such as Machamp, Zygarde-10%, and Toxicroak can form an offensive core with Rotom-Mow, as they can clear away Pokemon that trouble it, which includes special walls like Registeel and Snorlax as well as Fire-, Poison, and Ice-types such as Houndoom, Dragalge, and Mega Abomasnow. In return, these Pokemon appreciate having physical walls like Slowbro disposed of. Setup sweepers like Virizion and Barbaracle can also take advantage of Pokemon crippled by Will-O-Wisp such as Metagross. Pokemon like Raikou, Machamp, and Necrozma can take advantage of Rotom-Mow after its Special Attack is lowered by Leaf Storm, so teammates like Registeel, Florges, and Drapion are respective checks to these Pokemon that prevent them from completely exploiting Rotom-Mow.

Moves Leaf Storm is a very strong STAB attack that severely hurts everything weak to it and deals heavy damage to some neutral targets. Volt Switch does decent damage and also lets Rotom-C retain offensive momentum. Thunderbolt is a secondary Electric-type STAB move that is mainly used for its reliability, as Leaf Storm lowers Rotom-C's Special Attack by two stages and Volt Switch forces Rotom-C to switch out of battle. Trick is used to cripple walls that might switch into Rotom-C, such as Aromatisse, heavily crippling them for the rest of the match. Will-O-Wisp is another option that can be used over Thunderbolt because it lets Rotom-C cripple Pokemon with burns after it gets rid of its Choice Scarf via Trick, though it is worth noting that Rotom-C cannot sweep late-game without Thunderbolt. Set Details Maximum Speed EVs are used to let Rotom-C outspeed as many Pokemon as possible, including Choice Scarf Braviary, Accelgor if Rotom-C is running a Timid nature, and Adamant Hitmonlee after Rotom-C has Tricked away its Choice Scarf. Maximum Special Attack EVs make Rotom-C hit as hard as possible. The choice between Timid and Modest depends on whether you want Rotom-C to outspeed more Pokemon or have some more power behind its attacks. Choice Scarf lets Rotom-C act as a revenge killer as well as a late-game cleaner. Usage Tips If Rotom-C is sent out early-game, use Volt Switch to grab momentum if Ground-types and Jolteon are not present. Use Leaf Storm on predicted switches to Ground-types, though be cautious in using the move, as the Special Attack drop leaves Rotom-C as setup bait for Pokemon such as Houndoom and Virizion. Once the opponent's Pokemon are weakened and Pokemon with Electric immunities are eliminated, use Thunderbolt to clean up late-game. Use Trick on walls that switch in, as it cripples them immensely; however, before getting rid of Rotom-C's Choice Scarf, make sure there are not any faster Pokemon that Rotom-C needs to keep its Choice Scarf for. Team Options Because this set serves as a revenge killer and a late-game cleaner, Rotom-C pairs excellently with powerful wallbreakers. Notable examples include Exploud, Houndoom, Mega Camerupt, and Emboar, which all appreciate coming in unscathed due to Rotom-C's Volt Switch. Other Pokemon that use either Volt Switch or U-turn, such as Meloetta, Braviary, and Flygon, are also great teammates because they can constantly retain offensive momentum against the opponent's team. Fire-types pair especially well with Rotom-C because Rotom-C takes Water- and Ground-type attacks aimed at them while Fire-types such as Emboar resist Bug-, Fire-, and Ice-type attacks aimed at Rotom-C. Setup sweepers such as Rock Polish Tyrantrum also pair well with Rotom-C because they can take advantage of walls that have been Tricked and gain free setup turns. Finally, entry hazards are very helpful, as they make it easier for Rotom-C to clean late-game, so Rhyperior and Druddigon are good to pair with Rotom-C. Additionally, Qwilfish, Accelgor, and Mega Glalie are great partners because all of them are able set up Spikes; the former also is able to set up Toxic Spikes.

Moves Leaf Storm backed by Choice Specs hits insanely hard with a drawback of lowering Rotom-C's Special Attack by two stages. Volt Switch is the main Electric-type STAB move, as it retains offensive momentum while hitting decently hard. Thunderbolt is a reliable Electric-type STAB attack that has no drawbacks and still hits really hard. Trick is used to cripple switch-ins such as Torterra and Aromatisse. Hidden Power Fire is useful if used over Trick for Grass-type switch-ins such as Virizion and Venusaur. It also OHKOes Choice Band variants of Escavalier from full health while easily 2HKOing Assault Vest variants. Set Details Maximum Speed EVs let Rotom-C outspeed everything up to Adamant Hitmonlee if Rotom-C is running a Timid nature, Mega Glalie before it Mega Evolves, and Mesprit. Maximum Special Attack EVs are used to let Rotom-C hit as hard as possible. The choice of either a Timid or Modest nature is up to whether you want more speed or more power. Choice Specs allows Rotom-C to act as a wallbreaker with Leaf Storm and Thunderbolt that can also dish out good damage with Volt Switch. Expert Belt also has use, as it lets Rotom-C bluff having a Choice item, luring in Ground-types that think Rotom-C is locked into one of its Electric-type STAB moves. It also is useful when paired with Hidden Power Fire to surprise the Grass-types the Rotom-C lures in. Usage Tips Use Volt Switch early-game if Ground-types and Jolteon are not present to grab offensive momentum. If the opponent has a Pokemon immune to Electric on their team, try to predict their switches with a well-timed Leaf Storm. Use it carefully, though, because the Special Attack drop means Rotom-C becomes setup bait for the likes of Virizion and Houndoom. Unlike the Choice Scarf set, this set is a wallbreaker rather than a late-game cleaner, so using it early- and mid-game is best to weaken teams for your team's sweeper to capitalize on. Team Options Strong Fire-types such as Emboar and Houndoom are great teammates because they can switch in on Grass-types that force Rotom-C out, while Rotom-C beats bulky Water-types that give them trouble, such as Qwilfish and Alomomola. Flygon is also a great partner for Rotom-C because they have decent synergy and form a VoltTurn core. Fletchinder takes on Grass-types as well while Rotom-C threatens Rhyperior, allowing Fletchinder to sweep late-game. Entry hazards work well with Rotom-C, so Druddigon and Rhyperior are good options for Stealth Rock users and Qwilfish and Accelgor make for good Spikes users. Mega Glalie in particular is a very good partner because it beats problematic Grass-types for Rotom-C while also being able support Rotom-C by setting up Spikes. Because Rotom-C is a wallbreaker, setup sweepers such as Rock Polish Tyrantrum and Nasty Plot Houndoom all make for excellent partners.

While Rotom-C is one of the best Choice item users in RU, one shouldn't forget its useful resistances to Electric-, Water-, and Grass-type moves. With this set, Rotom-C has more flexibility in its play, as it can check many top threats such as Slowking and Sceptile while still posing as a legitimate offensive threat, as it still has the same power as the Choice Scarf set. Rotom-C's STABs really shine here, as they hit many common physical attackers in RU for super effective damage. Will-O-Wisp is Rotom-C's status move of choice on this set. The resulting burn cripples many physical attackers; Druddigon, Gallade, and Escavalier are just a few of the Pokemon shut down by a burn. However, be aware that most offensive variants of Gallade do run a Lum Berry. If slowing down the opposing team is more beneficial to its team, Rotom-C can opt to use Thunder Wave as its status move. This allows it to cripple physical and special attackers alike. Volt Switch is preferred in the next slot as it retains Rotom-C's overall utility and scouting abilities. If power is desired over general utility, Thunderbolt can be used over Volt Switch to give Rotom-C a way to go on the offensive without being forced to lower its Special Attack. Leaf Storm is an absolute must in the third slot, as it lets Rotom-C directly deal with the likes of Golurk and Rhydon without having to resort to burning them. Thanks to its ability to switch moves, Rotom-C can use Leaf Storm much more freely than either of the Choice sets, as it can Volt Switch out after using Leaf Storm. In the final slot, Rotom-C can use either Pain Split or Hidden Power Fire. Although it's fairly unreliable, Pain Split is Rotom-C's only means of recovery outside of Rest. Hidden Power Fire provides Rotom-C with a means of damaging Grass-types such as Sceptile, Ferroseed, and opposing Rotom-C. The EV spread allows Rotom-C to outspeed all positive base 80s. However, if the extra Speed isn't needed, Rotom-C can choose to invest more in its bulk. An alternate spread of 168 HP / 252 SpA / 88 Spe with a Modest nature can be used to gain more bulk to take hits with while still outspeeding the likes of Omastar and Bouffalant. However, the inability to outspeed Gallade and Kabutops hurts Rotom-C's ability to keep them in check. This Rotom-C really appreciates teammates that can handle Fire-types, as all of them can come in for free on Will-O-Wisp and resist Leaf Storm. Qwilfish, Rhydon, and Slowking can check Fire-types and support Rotom-C in various ways. Most Grass-types can switch into Rotom-C with relative ease, although Thunder Wave and Hidden Power Fire can catch them by surprise. Still, a check to them will ease the pressure on Rotom-C. Fire-types such as Emboar, Moltres, and Entei can handle most Grass-types. Alternatively, you can turn to Sap Sipper Pokemon such as Bouffalant and Miltank to handle opposing Grass-types. Wish support can help Rotom-C stay around longer as Pain Split is far from reliable. Alomomola is perfect for this, as it's one of the best checks to Entei and Emboar in RU and it also possesses the largest Wish in the tier. Although this set is more supportive, entry hazard support is still appreciated. Rhydon, Druddigon, and Qwilfish are all capable of providing such support and checking various Fire-types for Rotom-C. Druddigon can even check various Grass-types.

Rotom-C is most commonly seen using a Choice Scarf, and for good reason. It has just about everything you could ever ask for in a Choice Scarf user. It has a great base 105 Special Attack, solid base 86 Speed that lets it outspeed most unboosted threats and even some boosted threats, a good set of resistances to switch in easily, and a momentum grabbing attack in Volt Switch. Volt Switch is what makes this set amazing. Even if it's prepared for, Rotom-C can simply use Volt Switch early on to scout how the opponent intends on playing against it. Leaf Storm is Rotom-C's signature move and it also crushes virtually any Pokemon trying to block Volt Switch, including Rhydon, Golurk, Lanturn, and Manectric. However, you must take caution in utilizing Leaf Storm, as the resulting Special Attack drop will make Rotom-C setup bait for many dangerous sweepers. With Thunderbolt, Rotom-C becomes one of the hardest late-game cleaners to stop in RU, as its combination of Speed and power will be too much for any team that has had its checks and counters weakened or KOed over the course of the match. Despite this, Hidden Power Fire is still a worthy option. With it, Rotom-C gains the ability to effectively revenge kill Sceptile and Durant—both of which are very dangerous attackers in RU—in a moment's notice. Hidden Power Fire also prevents Ferroseed from walling Rotom-C. With Trick, Rotom-C is able to cripple walls such as Ferroseed and Clefable, two Pokemon that prevent Rotom-C from revenge killing its targets. With an important wall crippled by Trick, Rotom-C's teammates will find it much easier to execute their sweeps. A Timid nature is used so Rotom-C is able to outspeed as many threats as possible. Rotom-C can't risk running a Modest nature, as it is then outsped by boosted positive base 80s such as Medicham, Braviary, and Kabutops. Like with any other Choice Scarf user, Rotom-C appreciates entry hazard support. Smeargle, Accelgor, Scolipede, and Qwilfish can all set up various forms of entry hazards. The first three are seen on more offensive teams while Qwilfish is seen on more balanced teams. Qwilfish also has surprisingly good defensive synergy with Rotom-C. After Rotom-C uses Leaf Storm, it is often forced out by Fire-types such as Entei and Emboar, so Qwilfish makes for a solid switch-in to these two threats in particular. Although Volt Switch and Thunderbolt can dent them, a check to Fire-types is still advised so Rotom-C can use Leaf Storm more freely. Slowking, Lanturn, and Poliwrath work as solid partners for the same reason as Qwilfish. Grass-types in general give Rotom-C trouble, as it will be unable to do much of anything to them without Hidden Power Fire. Fire-types such as Entei, Emboar, and Typhlosion may be enemies to Rotom-C, but they are also great partners for it, as they are solid answers to most Grass-types in the tier. The first two can even deal with sleep thanks to Sleep Talk, while Typhlosion has a powerful Choice Specs Eruption that can quickly weaken an opposing team for Rotom-C to clean up. Like with any other Volt Switch user, Rotom-C works well on VoltTurn teams, so Pokemon that can utilize Volt Switch or U-turn, such as Braviary, Manectric, and Mesprit, can all work nicely with Rotom-C.

When donning a pair of Choice Specs, Rotom-C becomes one of the tier's most powerful wallbreakers. This Rotom-C is particularly effective against more balanced teams thanks to its immediate power, solid resistances, and good Speed. Rotom-C seems outclassed by the likes of Typhlosion and Slowking, but it has one major move over them: Volt Switch. With a Choice Specs boost, Volt Switch hits much harder than you might originally think, and can give many opponents quite the surprise. Leaf Storm is just brutal on this set; virtually anything without a resistance to the move is 2HKOed at worst. Even some Pokemon that resist the move can be dealt with after Stealth Rock. Sceptile and Tangrowth are 2HKOed with Stealth Rock support alone while Galvantula gets OHKOed under the same conditions. Furthermore, Leaf Storm still hits relatively hard after the Special Attack drop on this set. That said, bulkier setup sweepers such as Gallade can still effectively set up after the Special Attack drop from Leaf Storm. Thunderbolt is preferred in the third slot to give Rotom-C a reliable STAB option to use as it has no drawbacks. Assuming a Modest nature, it also OHKOes Entei and Typhlosion and has an 87.5% chance to OHKO 4/0 Emboar after Stealth Rock. In spite of this, Hidden Power Fire is a viable option on this set. With the power boost from Choice Specs, Hidden Power Fire allows Rotom-C to run through the likes of Escavalier, Steelix, and Ferroseed. In the last slot, Trick is the main option as it lets Rotom-C cripple various walls for the remainder of the match. However, if you want both Thunderbolt and Hidden Power Fire, Trick can be eschewed to get the best of both worlds. As Choice Specs Rotom-C relies more on its power rather than its Speed, 208 Speed EVs are used to get the jump on base 80 Speed Pokemon. The remaining 48 HP EVs improve Rotom-C's overall bulk. The nature choice is also a fairly tough one, as both have their merits. With a Modest nature, Rotom-C gets a sizable power boost that lets it break down most Fire-types with Stealth Rock support alone, cutting down on its dependency on its teammates to help it with them. However, because Kabutops, Mesprit, and Braviary sometimes use positive Speed natures, Timid can be used to ensure Rotom-C outspeeds all unboosted variants of these Pokemon. The only other move to really even consider on this set is Hidden Power Ice, as it is the only move Rotom-C has that actually does any sort of decent damage to Druddigon, scoring a 2HKO with the boost from Choice Specs. This Rotom-C really appreciates entry hazard support to maximize its wallbreaking potential. With Stealth Rock alone, Rotom-C is able to seriously dent or outright KO most Fire-types with Thunderbolt. Pokemon such as Smeargle, Druddigon, and Uxie can set up Stealth Rock with relative ease. Spikes support is also welcomed, as most of Rotom-C's checks are grounded. Qwilfish, Accelgor, and Scolipede are all fine options for such support. Steel-types such as Steelix and Klinklang are solid teammates for checking Druddigon. The former can set up Stealth Rock while the latter can take advantage of fallen Water- and Fire-types and prepare a sweep with Shift Gear. As Choice Specs Rotom-C really doesn't have any "counters" in the strictest sense of the word, good offensive teammates are generally those who can capitalize on the Pokemon Rotom-C defeats. Choice Scarf Emboar is a prime example of this. It can check most Grass-types that switch into Rotom-C's STAB moves and it will have a much easier time cleaning up with Flare Blitz once Rotom-C weakens or KOes the opponent's Water- and Fire-types. Omastar, offensive Accelgor, and Entei are other examples that have an easier time sweeping or cleaning when Water- and Fire-types are removed.

Moves Rotom-A can maximize its utility options by using Pain Split as its primary recovery option. Despite being unreliable, Rotom-A can easily heal on special walls like Clefable and Blissey due to its immunity to Seismic Toss. Substitute maximizes Pain Split and gives it more reliability. Substitute blocks status, making Clefable without Encore and Blissey complete setup bait. It also gives Rotom-A a free chance to burn Tyranitar and other Pursuit users such as Scizor. As Substitute limits Rotom-A's offensive options, it can instead use a coverage move such as Shadow Ball, Hydro Pump, and Blizzard. Shadow Ball notably allows Rotom-A to damage opposing Rotom-A and Gengar, while Hydro Pump and Blizzard provide additional coverage. Hydro Pump hammers Heatran and Ground-types such as Hippowdon trying to phaze Substitute Rotom-A, while Blizzard OHKOes Taunt Gliscor, Flygon, Breloom, and Dragonite trying to take advantage of it. Will-O-Wisp is perfect alongside Substitute or the coverage moves, as it burns Steel-types that otherwise wall Rotom-A and gives it an option to threaten Tyranitar. Thunderbolt allows it to KO Water-types and is its main offensive option with Substitute. Set Details This specific EV spread aims to make Rotom-A outspeed as many Pokemon as possible so that it can get a Substitute up, burn Gliscor before it can use Taunt, and then maximize its bulk. Rotom-A can minimize its HP and instead invest in Special Attack EVs to get as much health back as possible from Pain Split and power up its coverage moves, but since Rotom-A's HP stat is low, it should otherwise aim to maximize HP to be as bulky as possible. Rotom-A generally tries to have a specific Speed stat and then invest the rest into bulk or Special Attack. Some common examples include 64 Speed EVs to outspeed neutral-natured Tyranitar, Empoleon, and Swampert; 164 Speed EVs to outspeed positive-natured Tyranitar; 220 Speed EVs to outspeed Gyarados, Dragonite, and Breloom; and 188 Speed EVs with a Timid nature to outspeed Heatran, Adamant Lucario, and defensive Latias. As these are crowded Speed tiers, it can be beneficial to invest a few more Speed EVs to outspeed the benchmark. When using not as much Speed EVs, it is recommended to use a Modest nature to maximize Rotom-A's coverage options. Especially if it does not have Substitute, Rotom-A can use a few different items. Leftovers is the most prominent, as it allows Rotom-A to neutralize sand damage and make more Substitutes. A more offensive option is to use Life Orb, as Rotom-A can heal with Pain Split and do a lot of damage, but watch out for foes trying to take advantage of Substitute. Without Substitute, some other options include Colbur Berry to survive Tyranitar's Pursuit and other Dark-type attacks, Custap Berry to get one last attack or Pain Split off, and Expert Belt to take advantage of its type coverage are all options. Usage Tips Rotom-A should be cautious when it comes in and either lead or come in using its resistances or immunities, as while it can mitigate residual damage with Pain Split, it isn't bulky enough to stave off heavy damage. With Substitute, it should try to set up as soon as possible on something it forces out such as Skarmory or Gyarados. Take the opportunity to either heal up or spread burns with Will-O-Wisp. Despite its prowess against special walls, it still can perform defensive roles such as block Rapid Spin from defensive Starmie and burn Steel-types. In the lead position, Rotom-A can use Will-O-Wisp and its coverage to take advantage of physical leads, but watch out for Tyranitar. More offensive versions of utility Rotom-A, especially without recovery or Leftovers, get worn down quickly. Team Options Rotom-A fits on a wide variety of teams due to its unique typing and ability to block Rapid Spin. Utility Rotom-A is commonly featured alongside entry hazards and Pokemon that give it a free switch in with its immunities. A prominent example is Heatran, as Heatran's Fighting- and Ground-type weaknesses give Rotom-A plenty of opportunities to switch in. Common Spikers alongside utility Rotom-A include Roserade and Skarmory. With Roserade and Heatran, Swampert forms a Fire / Water / Grass core while offensively checking Tyranitar. Another common Water-type with Heatran and Roserade is offensive Suicune, which appreciates Rotom-A taking advantage of special walls and spreading burns. Other checks to Tyranitar, such as Trick + Iron Ball Metagross and defensive Jirachi, are appreciated. As these Fire / Water / Grass cores can struggle with multiple Dragon Dance sweepers, Choice Scarf Flygon and Hippowdon can be excellent partners. Alongside Skarmory, Pain Split gives Rotom-A more offensive coverage and Speed than with the defensive set. It spreads burns, staves off Clefable with Pain Split, and switches into Fighting-types. Prominent partners include offensive Calm Mind Jirachi, Choice Specs Latias, and Heatran. Choice Scarf Lucario can absorb Rotom-A's revenge killing responsibilities.

Moves Rotom-A's typing, ability, and bulk make it the best defensive spinblocker in the metagame. Rest and Sleep Talk are Rotom-A's only form of recovery outside of Pain Split and prevent it from succumbing to status and residual damage. It also makes Rotom-A a reliable sleep absorber; however, without Shadow Ball, Rotom-A struggles to damage Breloom while getting 3HKOed by Seed Bomb. Rest also gives Rotom-A a massive stock of PP, making it useful for PP staling. Rotom-A's most prominent attacking move is Thunderbolt, which OHKOes Gyarados. Thunderbolt also hits Steel-types such as Heatran, Metagross, Empoleon, and Scizor and at least 2HKOes Starmie and Skarmory. However, as Thunderbolt is useless against Ground-types and can't hit Breloom well, another option is to use Shadow Ball. Shadow Ball prevents RestTalk Rotom-A from being completely unable to damage Taunt Gliscor while also hitting Ghost-weak targets such as Gengar, opposing Rotom-A, and Starmie hard. For the last slot, Rotom-A can either spread burns effectively with Will-O-Wisp or maintain better coverage with both Shadow Ball and Thunderbolt. Will-O-Wisp is preferred, as being able to burn foes is one of Rotom-A's core niches. It notably is the best response to Tyranitar, as it will not enjoy a burn unless it has a Lum Berry. Will-O-Wisp also limits switch-ins to foes immune to burn damage such as Clefable, Heatran, Camerupt, and Breloom after Toxic Orb activates. Additionally, Natural Cure Pokemon such as Celebi and Blissey can pivot in on Will-O-Wisp. Another option for an Electric-type attack is Discharge, but it suffers from being noticeably weaker than Thunderbolt and potentially giving unwanted paralysis. Set Details Rotom-A generally needs all of the physical bulk it can get to stave off Tyranitar, Metagross, Machamp, and Lucario. Take care that absolute maximum HP investment Rotom-A makes its HP stat divisible by 16, increasing the damage it takes from sand and heals from Leftovers. Rotom-A also is at a crowded Speed tier—many Pokemon such as Empoleon, Tyranitar, Swampert, Machamp, and Breloom aim to outspeed minimum Speed Rotom-A. As a result, it can invest 56 EVs to outspeed maximum Speed neutral nature Tyranitar, Empoleon, and Swampert. Additionally, Rotom-A can add some Special Defense EVs to better handle special coverage from Swampert, survive Gengar's Shadow Ball, and help prevent Starmie's Rapid Spin; however, going with a fully specially defensive RestTalk Rotom-A is not advised due to its huge Pursuit weakness. A few Special Attack EVs, such as 20 EVs, also help Thunderbolt break maximum HP Breloom's Substitute guaranteed and give better chances to OHKO Starmie and Skarmory. Usage Tips Rotom-A should generally be used early to spread burns and block Rapid Spin, preferably before Breloom has activated its Toxic Orb. Rotom-A can lead, as it has good matchups against all common physical leads with the exception of Tyranitar and is immune to Explosion. Mastering the timing of when to use Rest with Rotom-A is critical, as it only has a 24.8% chance to burn physical attackers such as Tyranitar while asleep. Rotom-A should generally be careful about trying to block Rapid Spin too much, as offensive Starmie sets can OHKO Rotom-A with Hydro Pump, while defensive Starmie and Forretress can 3HKO it in sand with Surf and Payback, respectively. Other than these, there are nuances with its usage depending on matchup. Against offensive teams, Rotom-A is difficult to handle, as foes typically absorb burns with either Heatran, Refresh Swampert, Lum Berry Tyranitar, or Breloom. These teams also typically lack reliable Rapid Spin users, meaning Rotom-A can lean fully into its defensive roll and more recklessly wall opposing physical attackers and spread burns. As Heatran cannot absorb Rotom-A's Thunderbolts forever, aggressively predicting it as it comes in can wear it down easily. Be careful against Metagross and Bronzong, as they can give Rotom-A an Iron Ball with Trick and ruin its ability to handle physical attackers with Earthquake. Despite being able to handle Gyarados, Rotom-A should not be the primary answer, as boosted Gyarados 2HKOes with Waterfall and can make Rotom-A flinch—in addition, Gyarados survives Thunderbolt with a Wacan Berry even after Stealth Rock, meaning it can break through Rotom-A coming in on Dragon Dance. Rotom-A should be kept away from foes that can set up or otherwise take advantage of it, including sweepers with Lum Berry such as Dragon Dance Dragonite and Tyranitar; mixed attackers such as Dragonite, Flygon, and Swampert; Taunt users such as Gliscor; and faster Substitute users such as Substitute + Calm Mind Jirachi and Breloom. Against more defensive teams, Rotom-A's main value are its ability to block Rapid Spin, huge pool of PP, and handling problem Pokemon such as Skarmory, Breloom, physical Jirachi, and Starmie. Since Clefable is commonly the first switch-in to Rotom-A due to being immune to burn damage, absorbing its Knock Off with Rotom-A is one of the better ways to PP stall it, as Clefable cannot threaten it outside of Calm Mind, and Rotom-A will always be able to use Rest if sand is active. Once Rotom-A goes to sleep, not using Sleep Talk greatly increases how much PP Rotom-A has, to 108 if Rotom-A has Thunderbolt and Will-O-Wisp. Team Options RestTalk Rotom-A provides valuable defensive niches and spinblocking. On more defensive teams, it keeps entry hazards up and spreads burns. Spikes setters such as Skarmory and Forretress appreciate this, as neither can prevent Starmie, Donphan, or opposing Forretress from using Rapid Spin. Rotom-A prevents Machamp from spamming Dynamic Punch, meaning prominent Fighting-weak walls such as Tyranitar, Clefable, and Blissey appreciate its presence. Clefable also removes items with Knock Off for adding onto residual damage. Tyranitar provides sand and traps prominent Pokemon that threaten Rotom-A such as Gengar and offensive Starmie. Both Clefable and Blissey can provide cleric support for Rotom-A. All three provide a switch-in to Heatran, which greatly threatens Rotom-A with Flash Fire. Rotom-A is a possible choice on big 5 defensive archetypes over the typical Ground-type alongside Skarmory, Choice Scarf Tyranitar, Clefable, defensive Latias, and Jirachi. Both offensive and defensive Jirachi sets work: offensive sets appreciate the Spikes and residual damage Rotom-A helps to wrack up, while defensive Jirachi helps shore the team against Dragon Dance sweepers such as Dragonite and Tyranitar that Rotom-A struggles with. Defensive Jirachi also enjoys foes worn down due to Will-O-Wisp and appreciates Rotom-A hitting Skarmory hard. Other bulky Steel-types such as Bronzong are great choices, especially for fully Spikes-immune teams. Additionally, Hippowdon, Celebi, and defensive Gyarados can also make solid partners, as they further answer powerful sweepers and are effective with Spikes. Rotom-A's defensive prowess make it a strong partner for more offensive Spikes-based partners as well, as it has more resilience than more frail spinblockers such as Gengar and Choice Scarf Rotom-A. Alongside Swampert and Skarmory, Rotom-A does not have to worry about Tyranitar as much, as entry hazards wear Tyranitar down, while Swampert at least 2HKOes it. Both offensive and defensive Latias sets are fantastic partners for Rotom-A: Choice Specs Latias hammers Tyranitar and weakens it heavily so that it can’t handle Rotom-A effectively, while defensive Latias's resistances and bulk ease some of Rotom-A's defensive responsibilities against attackers such as Gyarados and Breloom. Choice Scarf Lucario takes on a revenge killing duty against attackers that can set up and OHKO Rotom-A, such as Lum Berry Dragon Dance Dragonite and Dragon Dance Tyranitar. Mixed Flygon is an excellent partner, as its offensive prowess is greatly enhanced by Spikes, and it enjoys Rotom-A switching into Steel-types such as Bronzong and offensive Jirachi and burning them. Empoleon is another excellent partner, as it removes items with Knock Off, and Rotom-A is immune to or resists all of its weaknesses. It also helps against specially offensive Water-types such as Kingdra that Rotom-A cannot deal with. Tyranitar can take on a more offensive role, such as Choice Band to remove special walls or Starmie guaranteed or Dragon Dance to take advantage of Spikes wearing down its answers.

Moves Rotom-A's Speed tier and good coverage make it an excellent revenge killer with a Choice Scarf. Thunderbolt is Rotom-A's strongest attack, revenge killing Water-types such as Gyarados, Suicune, and Empoleon. Rotom-A has many different coverage options it can use. Overheat is a prominent one, as despite doing almost nothing to Pursuit Tyranitar, it is fantastic at revenge killing Steel-types that can shrug off a Thunderbolt such as Lucario without a Special Defense drop, Metagross, and especially Scizor. It also nails Grass-types such as Breloom, Roserade, and Shaymin. Another choice is Hydro Pump, which crucially 2HKOes bulkless Tyranitar after Stealth Rock and prevents Rotom-A from being Pursuit trapped if Rotom-A hits it on the switch. It also hits Heatran trying to absorb Will-O-Wisp and Ground-types immune to Thunderbolt such as Hippowdon, Mamoswine, and Camerupt. Leaf Storm OHKOes Swampert and Gastrodon while also dissuading Tyranitar from switching in. Shadow Ball completes Rotom-A's coverage, as it prominently hits Latias, Gengar, and other Rotom-A while providing good neutral coverage should Rotom-A not use one of its forme moves. Hidden Power Ice is another excellent option, as it KOes Dragonite after Stealth Rock, OHKOes Flygon, and threatens Gliscor. Hidden Power Ice both is more reliable than Rotom-F's Blizzard and does enough damage to its targets. Rounding out the set is Trick, as it is a fantastic way of crippling a special wall such as Clefable, Latias, or Blissey. Trick can also stop a boosted sweeper by locking them into one attack, although doing this often leads to sacrificing Rotom-A. Another option is Will-O-Wisp, which burns Tyranitar on the switch in to survive a potential Pursuit trap attempt. As the only move Choice Scarf Rotom-A needs is Thunderbolt, it is free to mix and match as needed for its team. Set Details Rotom-A generally should be running maximum Special Attack and Speed EVs, as it has 447 Speed after the Choice Scarf boost and sits at a crowded Speed tier. Maximum Special Attack EVs notably give it the best chance to KO opposing Rotom-A and 2HKO Latias with Shadow Ball, KO Wacan Berry Gyarados without Stealth Rock with Thunderbolt, 2HKO bulkless Tyranitar after Stealth Rock with Hydro Pump, and KO Dragonite with Hidden Power Ice after Stealth Rock. However, Rotom-A can spare some HP EVs to better survive Tyranitar's Pursuit, Scizor, Lucario's boosted Bullet Punch, and Gyarados's +1 Waterfall. The fastest threat it needs to revenge kill besides other Rotom-A is Modest Agility Empoleon, which requires 236 Speed EVs. Another choice is to drop down to 188 Speed EVs to outspeed Adamant Lucario and Heatran without the Choice Scarf. Rotom-A can also use less Special Attack EVs: it achieves the bulkless Dragonite KO after Stealth Rock with Hidden Power Ice with 160 Special Attack EVs. A common choice for bulkier Rotom-A spreads is to minimize sand damage with the desired Speed and put the rest in Special Attack: some example EV spreads would be 56 HP / 216 SpA / 236 Spe, which minimizes sand damage while maximizing the other stats, and 108 HP / 164 SpA / 236 Spe, which KOes Gyarados after Stealth Rock through Wacan Berry, survives +1 Waterfall after Stealth Rock, and still outspeeds +2 Modest Empoleon. Usage Tips Choice Scarf Rotom-A should switch in sparingly or via its immunities, as it is not very bulky, its Choice-locked moves are easy to set up on, and it is vulnerable to Pursuit. It enjoys switching in either when a foe such as Gyarados, Lucario, or Scizor sets up or after a KO to appropriately deal with the threat. This can be dangerous, however, as all of them can hit Rotom-A hard on the switch. Keeping Rotom-A hidden also can allow it to sweep late-game against weakened threats should its checks be removed. This is especially prevalent against frail hyper offensive teams or those without a Ground-type. Rotom-A's Trick is an excellent weapon to cripple walls and setup sweepers alike, but make sure Rotom-A's Speed is no longer needed. Beware of opponents switching in another Choice Scarf Pokemon to nullify it or, worse, a Choice Scarf Tyranitar and Pursuit trapping Rotom-A. Another complication is with Knock Off: in DPP, if either the user or foe is hit with Knock Off, Trick will fail. Be careful with using Trick around Clefable and defensive Empoleon for this reason. Team Options Choice Scarf Rotom-A is a premier revenge killer in DPP OU and features on many team styles. Most midpaced offensive teams carry a Choice Scarf revenge killer to backstop them against set-up sweepers—Rotom-A is one of the best at it with its Speed, coverage, and Trick. As Rotom-A is easily covered by the special walls in the tier, it appreciates teammates that can break though them. Breloom and Heatran are fantastic choices, as Breloom takes advantage of Tyranitar, Blissey, Clefable, and Swampert, while Heatran can trap them with Magma Storm and then burn Tyranitar, use Explosion on Blissey and Clefable, or OHKO Swampert with Hidden Power Grass. Breloom can also use Mach Punch or a bulky EV spread to revenge kill Dragon Dance Tyranitar. Another Tyranitar check, such as Machamp, bulky Metagross, or Jirachi, is appreciated. Rotom-A also enjoys other strong special attackers such as Choice Specs Latias, Zapdos, and offensive Calm Mind Jirachi to weaken Tyranitar to the point it cannot switch into Rotom-A. Rotom-A appreciates threats that can set up on a Choice-locked Pursuit: Lucario is an excellent choice, as is Dragon Dance Tyranitar. Another excellent option is Torment Heatran, as it appreciates Rotom-A's Trick to set up on Choice-locked Pokemon. As powerful Choice item attackers such as Choice Band Gyarados, Choice Specs Heatran, Choice Band Tyranitar, and Choice Specs Zapdos can get set up on if they're locked into the wrong move, Rotom-A can be a good stopgap. Choice Scarf Rotom-A is also fantastic on more frail hyper offenses as speed control and potentially a spinblocker for Spikes. Some prominent offensive partners include Dragon Dance Gyarados, Dragon Dance or mixed Tyranitar, Dragon Dance or mixed Dragonite, Swords Dance or Agility Lucario, offensive Empoleon, offensive Calm Mind Suicune, and Swords Dance Scizor. These Pokemon can set up on a Choice-locked Pursuit as well. Azelf is also an excellent choice to weaken Tyranitar with either paralysis or Explosion. Offensive Spikes Skarmory is also a good choice, as Choice Scarf Rotom-A can provide spinblocking and appreciates entry hazards wearing down its grounded answers.