Rotom may appear to be outclassed by Mismagius due to the latter's higher Special Attack and Speed, but Rotom has a couple of unique traits. It has a fantastic dual typing that boasts many immunities and resistances that allow it to handle many physical threats, a plethora of status inducing moves, and an unresisted STAB attack combo (Steelix and Magneton the only exceptions). This little plasmatic ghost should never be looked down upon, as it can become quite a nuisance towards the opponent.
This set aims to keep Rotom alive as long as possible while still packing some offensive power. With Substitute, Rotom can block damaging status moves such as Thunder Wave and Toxic from Registeel or Chansey. It also protects Rotom from Sucker Punch from Pokemon such as Toxicroak, allowing it to safely revenge kill them. In addition, Substitute is useful for easing prediction when Rotom expects a switch. However, Life Orb recoil and Substitute damage will pile up quickly. This is where Pain Split comes in. Pain Split allows Rotom to get back to near-perfect health due to its low base 50 HP. Substitute and Pain Split work as a useful stalling strategy for Rotom, especially as one of its common switch-ins, Chansey, can’t touch it behind a Substitute, while Rotom can Pain Split it to get back to full health. The combination of Thunderbolt and Shadow Ball provides Rotom with almost perfect coverage, as the only common Pokemon in UU who resists it is Steelix.Team Options & Additional Comments >>>
Rotom has decent Special Attack and Speed stats, and with all of those immunities and resistances Rotom can come in on, it’s a natural candidate for wielding a Choice item. With Choice Scarf, Modest Rotom reaches a Speed stat of 421, while with Choice Specs, Timid Rotom reaches a great Special Attack stat of 433.
Rotom can be quite devastating by using just STAB Thunderbolt and Shadow Ball attacks, since they achieve almost perfect coverage, only resisted by Steelix and Magneton. The last attacking option goes to Hidden Power Fighting or Hidden Power Grass. Hidden Power Fighting hits Steelix and Magneton that attempt to switch in on Rotom for super effective damage, which means that Rotom really gains perfect coverage. On the other hand, Hidden Power Grass hits Lanturn and Ground-types hard, is powerful enough to OHKO Donphan, and hits Steelix for neutral damage. Both of the Hidden Power attacks provide near-perfect coverage, so it’s really up to personal preference. Those aren't the only Hidden Power types Rotom can use though, as Hidden Power Ice and Hidden Power Ground can be used as well. If you are planning on using Rotom with a Choice Scarf and a Timid nature, Hidden Power Ice can be used as Rotom becomes a great Rock Polish Torterra and Dragon Dance Altaria check. Hidden Power Ground allows you to hit all of Steelix, Magneton, Camerupt, and Lanturn for super effective damage, but you miss the KO against Absol and other Dark-types that are weak to Fighting attacks. Will-O-Wisp may seem like a bad option on a Choice set due to the fact that Rotom has to switch out after it uses it, but it definitely has its uses. Normally, people will never suspect a Choiced attacker to be carrying a status move, meaning they'll try to switch in Pokemon like Registeel or Absol to take Rotom's Shadow Ball, only to be burned. For the final move option, Trick is the best option due to Rotom's barren movepool. Tricking a Choice item onto tanks or walls is a great way to cripple them, being especially effective since Pokemon like Chansey and Registeel love to switch in on Rotom.Team Options & Additional Comments >>>
SubCharge Rotom is by far the most effective offensive set Rotom can use. Its common switch-ins, such as Chansey and Registeel, turn into setup bait instead of brick walls, thanks to two simple moves: Substitute and Charge Beam.
The use of Substitute and Charge Beam makes Rotom a very threatening offensive force once it has collected a few Special Attack boosts. Most importantly, Substitute allows Rotom to block status effects from the likes of Chansey and Registeel that attempt to induce it with, as well as not breaking in one hit from either of their attacks. Not only that, but Substitute makes a great way to scout the opponent’s switch-in. For instance, if Rotom is up against Claydol, the opponent will most likely switch out in the fear of Shadow Ball. By knowing this, you can set up Substitute instead as the opponent switches out, and use the most appropriate move against the newly switched in Pokemon. This works especially well against Pursuit and Sucker Punch users like Absol, since if Rotom is behind a Substitute, it can try to eliminate them with Thunderbolt or Hidden Power Fighting. After Rotom is safely behind Substitute, it can then boost its Special Attack with Charge Beam, eventually gaining enough power to KO Chansey and Registeel, two huge threats, with Thunderbolt. If you are interested in type coverage rather than power, Hidden Power Fighting can be used. It helps pound down Steelix and Magneton that give Rotom serious amounts of trouble, as they are both resistant (Steelix being immune to Electric-type attacks) to both of Rotom’s STAB moves. Shadow Ball takes up the last moveslot by providing Rotom with a powerful secondary STAB attack to use and provides great type coverage in conjunction with Rotom’s Electric-type moves, especially helpful against Pokemon who are immune or resistant to Electric-type attacks, such as Lanturn and Torterra.Team Options & Additional Comments >>>
While Rotom isn't seen as a bulky Pokemon, it’s capable of countering some of UU's biggest physical threats, most notably Swellow, Scyther, and any Fighting-type. The reason for this is because of Rotom’s fantastic dual typing that boasts multiple resistances or immunities to Fighting, Flying, Bug, and Ground.
Rotom is bulky enough to survive many hits coming from physical sweepers. For example, Hitmonlee and Hitmontop both fail to 2HKO Rotom with Stone Edge, meaning Rotom can burn them with Will-O-Wisp, making them close to useless. Swellow doesn't come close to a 3HKO with Brave Bird, and Scyther fares even worse. Not only can that, but this set also handles Dark-types like Absol that may attempt to Pursuit you, because Pursuit will fail to OHKO assuming you stay in, allowing Rotom to cripple them with Will-O-Wisp. Once Rotom has taken multiple hits, it can heal off the damage with Rest, while Sleep Talk prevents Pokemon from setting up on you while you are sleeping.Team Options & Additional Comments >>>
Rotom is capable of abusing almost every status effect, and this set is dedicated to inflicting as much status as it can against the opponent’s team. This set is also a fantastic supporter, since Pokemon who are crippled are much easier to take down than those that aren’t. The three status effects Rotom uses to try to cripple the opponent's Pokemon are burn, paralysis, and poison, an excellent status combination.
Discharge is a great move to use as it has a 30% chance to paralyze the enemy while doing a decent amount of damage at the same time. Will-O-Wisp is definitely useful against physical sweepers, allowing Rotom to deal with them much easier. It also helps Rotom deal with Steel-types, as most don’t mind paralysis since they are already slow (or in Steelix's case, immune to Discharge), and are immune to Toxic. Walls like Porygon2 and Lanturn can be quite troublesome to take down with your sweepers, so Toxic does a very good job at wearing them down. Shadow Ball is Rotom’s main choice for attacking as it has more power than Discharge and better overall coverage. Confuse Ray can be used instead of Shadow Ball if you feel the need for the added status, as Confuse Ray can form the dreaded parafusion combo, or it can simply wear down the Pokemon’s health even faster if they are burnt or poisoned. The addition of Pain Split to Rotom's movepool is extremely helpful. Since Rotom has such a low HP stat, Pain Split can help it heal back a great amount of its health, especially against Chansey because of her huge HP stat. Lastly, Substitute is an option for scouting your opponent's moves and helps Rotom stall for Toxic or Will-O-Wisp damage.Team Options & Additional Comments >>>
While Rotom may not have the greatest of defensive stats, its handful of immunities and reasonably high Speed allow it to become an effective dual screener, while still being able to cripple dangerous physical threats with Will-O-Wisp.
The procedure for using this set is quite simple: use either Reflect or Light Screen depending on the situation you’re in, followed by Will-O-Wisp to cripple the opposing Pokemon, assuming you opt for it. When facing a strong physical attacker like Feraligatr, it would be a better idea to burn it with Will-O-Wisp instead of trying to set up Reflect first, since a burned Feraligatr’s Attack will a be lowered permanently, unlike Reflect's five (or eight depending your item) turn duration. If you dislike using Will-O-Wisp, Pain Split is an excellent secondary option. It gives Rotom much more longevity, allowing it to set up screens more than once, not to mention the fact that Rotom boasts a reasonably low HP stat, which helps it heal back more of its health with Pain Split, especially against bulky threats like Registeel and Chansey. As for the offensive options, Thunderbolt is preferred over Shadow Ball due to its higher Base Power and neutral coverage; however, Shadow Ball is an option if you feel the need to hit Ground-types or Electric-types harder.Team Options & Additional Comments >>>
Rotom doesn't really have too many options, as its movepool is rather limited. For support options, Rotom can use Rain Dance on a Rain Dance team, and it can work well in conjunction with Thunder. It also has Spite to reduce PP on one of the opponent’s moves, but Rotom usually has better things to do. Lastly, Rotom can use Thunder Wave, but usually Discharge is a superior option as it has a reasonably high chance at inducing paralysis, while also causing a decent amount of damage at the same time. On the offensive side, Rotom has moves like Dark Pulse, Ominous Wind, and Sucker Punch. STAB Shadow Ball already hits whatever Dark Pulse would hit for super effective damage. Ominous Wind isn’t a very useful option, since Rotom doesn’t have the bulk to keep trying to increase its stats, while Sucker Punch is an even poorer option as it receives no STAB and Rotom has too pathetic an Attack stat to make it viable.
Checks and Counters
Chansey is probably Rotom's biggest counter because of her extremely high Special Defense and HP stats, allowing Chansey to cripple Rotom with Toxic or Thunder Wave while shrugging off any damage taken. Registeel works the same way as Chansey, as it boasts great special bulk and can cripple Rotom as well. The only problem the aforementioned counters have is if they're up against SubCharge Rotom, as they can't do anything against it. Lanturn, on the other hand, is capable of countering the SubCharge set due to its Volt Absorb ability and great Special Defense and HP and can then proceed to hit Rotom hard with Surf.
Pokemon who boast a high Special Attack stat and powerful special moves can end Rotom with ease. Examples of these include Blaziken, Magmortar, and Espeon. All of the aforementioned Pokemon are capable of OHKOing Rotom if they are wielding Life Orb or Choice Specs and using their respective STAB attacks.
Dark-types can switch into Rotom's Shadow Ball and can end it quickly with STAB Pursuit, particularly Drapion and Absol with their high Attack stats. Umbreon, although not commonly seen using Pursuit, has the bulk to withstand several Thunderbolt attacks from Rotom, allowing it to seriously damage Rotom with Payback. Also, its Synchronize ability will make Rotom think twice before burning it with Will-O-Wisp, as it will be burned too. Grass-types like Torterra and Venusaur are effective switch-ins to Rotom as well, boasting a resistance to Thunderbolt and having decent overall bulk, allowing them to hurt Rotom with their respective STAB moves; though they should watch outfor Will-O-Wisp and the occasional Hidden Power Ice.