Rotom counters

#0479

electric ghostTier 5

Lobby CP

32,310

15,000

Timer

5:00

Attack

158

Defense

137

Difficulty

1.42

Pokebattler scale

Beating Rotom should take 2 trainers with level 40 counters. Caught CP 1,096-1,160.

Weak toground1.6xghost1.6xdark1.6x

Who to bring

IncludeMega Legendary Shadow

Improve your raidweather · friendship · Mega in the lobby · Party Power · Adventure EffectsShow ▾

Weather

★ boosts a type this boss is weak to

No boost Sunny or clear ★Rainy Partly cloudy Cloudy Windy Snow Fog ★

Friendship

every trainer in the lobby who is your friend

None Good friend (+3%)Great friend (+5%)Ultra friend (+7%)Best friend (+10%)

Mega in the lobby

a Mega boosts every trainer's attacks: 1.3x of its own type, 1.1x of others

Try a Dark Mega — most top counters attack with Dark

Party Power

Party Play: the charged move after a full meter does 2x

Off 2 trainers 3 trainers 4 trainers

Adventure Effects

only these three change a raid

Behemoth Blade (+10% attack)Behemoth Bash (+10% defense)Dynamic Punch+ (+15% attack vs Mega)

Of the game's eleven Adventure Effects only Behemoth Blade (Crowned Sword Zacian), Behemoth Bash (Crowned Shield Zamazenta) and Dynamic Punch+ (Mega Mewtwo X) change a raid; Roar of Time, Spacial Rend, Freeze Shock, Ice Burn, Sunsteel Strike, Moongeist Beam, Future Sight+ and Dynamax Cannon act outside raids. Dynamic Punch+ only counts against a Mega boss, so it changes nothing here. Sources: the full list, Behemoth Blade / Bash, Dynamic Punch+.

Best counters

Mega, Legendary, Shadow · level 40

The best Rotom counters are Mega Houndoom, Shadow Landorus (Therian), Necrozma (Dawn Wings), Shadow Darkrai, Shadow Groudon & Shadow Hydreigon.

Suggested party of sixat most one Mega

M. Houndoom
S. Landorus (Therian)
Necrozma (Dawn Wings)
S. Darkrai
S. Groudon
S. Hydreigon

7 more Megas ranked inside the top six — a party can hold only one Mega, so the best one stays and the next non-Mega takes the slot.

Ranked by Estimator (trainers needed); small print: time to winOrder byEstimatorOverall %

1Mega HoundoomMegapartySnarl / Dark Pulse+1.305:59
2Shadow Landorus (Therian)ShadowLegendarypartyMud Shot / Sandsear Storm1.386:22
3Primal GroudonMegaLegendaryMud Shot / Precipice Blades1.396:24
4Necrozma (Dawn Wings)LegendarypartyPsycho Cut / Moongeist Beam1.406:26
5Mega GengarMegaLick / Shadow Ball1.476:46
6Mega Mewtwo YMegaLegendaryPsycho Cut / Shadow Ball1.486:50
7Shadow DarkraiShadowLegendarypartySnarl / Foul Play1.526:59
8Mega Mewtwo XMegaLegendaryPsycho Cut / Shadow Ball1.537:02
9Shadow GroudonShadowLegendarypartyMud Shot / Precipice Blades1.547:05
10Mega TyranitarMegaBite / Brutal Swing1.587:15
13Shadow HydreigonShadowpartyBite / Brutal Swing1.607:22

More orders under All settings (Sort by). The top 15 in detail.

Build and order a party of six →Plan your raid lobby →

Best from your Pokebox

Pokebox

The Pokebox saved in this browser · each at its own level, IVs and moves.

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Type a name, then Enter or click a result

Raid tier — Legendary Raid

Super Mega Legendary Super Mega Primal Mega Legendary Mega Elite Shadow Tier 5 Tier 5 Shadow Tier 3 Tier 3 Shadow Tier 1 Tier 1 Tier 4 Tier 2

Raid alerts…

Top 15 Rotom counters in detail

Click a row for damage per move, breakpoints and the energy cycle. Click a column to sort. All 30 ranked attackers, with every column, are under All settings.

Trainers2duo

#	Attacker	Moveset
1	Mega Houndoomdarkfirejoint top pick	darkSnarldarkDark Pulse+	3,842	5:59	1.30	5.8	84.7%
2	Shadow Landorus (Therian)groundflying	groundMud ShotgroundSandsear Storm	3,922	6:22	1.38	6.0	79.6%
3	Primal Groudongroundfire	groundMud ShotgroundPrecipice Blades	5,902	6:24	1.39	3.6	79.3%
4	Necrozma (Dawn Wings)psychicghost	psychicPsycho CutghostMoongeist Beam	4,099	6:26	1.40	6.0	78.7%
5	Mega Gengarghostpoison	ghostLickghostShadow Ball	4,336	6:46	1.47	6.0	75.0%
6	Mega Mewtwo Ypsychic	psychicPsycho CutghostShadow Ball	6,428	6:50	1.48	6.0	74.3%
7	Shadow Darkraidark	darkSnarldarkFoul Play	3,739	6:59	1.52	6.0	72.6%
8	Mega Mewtwo Xpsychicfighting	psychicPsycho CutghostShadow Ball	6,112	7:02	1.53	6.0	72.0%
9	Shadow Groudonground	groundMud ShotgroundPrecipice Blades	4,115	7:05	1.54	5.1	71.5%
10	Mega Tyranitarrockdark	darkBitedarkBrutal Swing	5,347	7:15	1.58	5.0	69.9%
11	Mega Garchompdragonground	groundMud ShotgroundEarth Power	5,424	7:18	1.59	3.3	69.4%
12	Mega Absoldark	darkSnarldarkBrutal Swing	3,301	7:21	1.60	6.0	69.0%
13	Shadow Hydreigondarkdragon	darkBitedarkBrutal Swing	3,625	7:22	1.60	5.9	68.8%
14	Shadow Tyranitarrockdark	darkBitedarkBrutal Swing	3,834	7:27	1.62	5.6	68.0%
15	Shadow Excadrillgroundsteel	groundMud-SlapgroundScorching Sands	3,244	7:42	1.67	6.0	65.8%

Ordered by Estimator alone, fewest trainers needed first. . The place badge names each row's Overall place on hover.

Times are one trainer with six copies of that attacker, level 40 at 15/15/15, no weather, no friendship, no dodging, Shadow / Mega / Legendary attackers hidden — the same defaults pokebattler.com's own counter pages open with. Open the full counter tool to change any of them. "Details" opens the per-move damage, breakpoints and energy cycle against Rotom.

Estimator is how many trainers of this strength the fight needs. Power is the share of Rotom's HP that six of that attacker remove inside one raid timer, so over 100% means they finish it with time to spare. Faints is how many of the six go down inside that timer.

Hardest movesets to raid against

The same boss is a different fight depending on what it knows. Each row re-simulates the top 6 counters above against one specific moveset; the list is ordered hardest first, and clicking a row filters the whole page to that moveset — the ranking, the estimator and the share link all follow.

Boss moveset	Win % (2)	Overall	Power	Time to win	Faints	Estimator
Random (any moveset)showing	100%	124%	75.6%	6:42	5.8	1.46
Tackle / Ominous Wind	100%	135%	75.0%	6:46	5.9	1.47
Astonish / Ominous Wind	100%	139%	75.2%	6:45	5.8	1.47
Thunder Shock / Thunder	100%	136%	75.3%	6:44	5.6	1.46
Tackle / Thunder	100%	133%	75.3%	6:44	5.8	1.46
Thunder Shock / Thunderbolt	100%	127%	75.6%	6:42	5.7	1.46
Thunder Shock / Ominous Wind	100%	140%	75.9%	6:41	5.9	1.45
Tackle / Thunderbolt	100%	125%	75.9%	6:40	5.8	1.45
Astonish / Thunderbolt	100%	124%	76.0%	6:40	5.8	1.45
Astonish / Thunder	100%	127%	76.1%	6:40	5.8	1.45

Measured over the top 6 attackers on the list above rather than by re-ranking the whole roster once per moveset — the ordering is what the table is for, and a full re-rank per moveset would cost ten times the page's whole simulation budget. Win % is the share of runs 2 trainers of those attackers finish inside the raid timer. Overall is Pokebattler's published blend on its own absolute scale (higher is easier), not a percentage of the best row the way the ranked table's Overall column is — which is why an easy boss reads well above 100% here.

Simulating each boss moveset…

Rotom weaknesses and resistances

Every one of the 18 attacking types against this boss's typing. GO multipliers: 1.6x super effective, 2.56x doubly, 0.625x resisted, 0.39x doubly resisted.

ground1.6x ghost1.6x dark1.6x rock1x fire1x water1x grass1x psychic1x ice1x dragon1x fairy1x flying0.63x poison0.63x bug0.63x steel0.63x electric0.63x normal0.39x fighting0.39x

Weak (3)
Neutral (8)
Resists (7)

It resists normal0.39xfighting0.39xflying0.625xpoison0.625xbug0.625xsteel0.625xelectric0.625x— bringing one of those is throwing damage away.

What Rotom throws at you

Its standard movepool, with the damage window a dodge has to beat.

Fast moves

Move	Power	Energy	Duration	Hits at
normalTackle	5	+5	0.5s	0.30s
electricThunder ShockSTAB	4	+7	0.5s	0.20s
ghostAstonishSTAB	7	+13	1.0s	0.60s

Charged moves

Move	Power	Energy	Duration	Hits at
electricThunderSTAB	100	-100	2.5s	1.30s
electricThunderboltSTAB	80	-50	2.5s	1.80s
ghostOminous WindSTAB	55	-33	2.5s	2.05s

Catch CP

What the encounter after the fight can hand you.

IV spread	CP at L20	CP at L25 (weather boosted)
10/10/10floor	1,096	1,371
11/11/11	1,109	1,387
12/12/12	1,122	1,402
13/13/13	1,135	1,418
14/14/14	1,147	1,434
15/15/15hundo	1,160	1,451

Caught CP range 1,096 - 1,160, or 1,371 - 1,451 when the weather boosts it.

A raid encounter is level 20 (level 25 weather boosted) and cannot roll an IV below 10/10/10. Anything outside the first range is not this raid's reward.

When it is in raids

From the raid schedule, refreshed daily.

Rotom is not on the raid schedule right now. The simulation above is still exact for the tier chosen — any boss can be simulated, current or not.

All settings

Tier 5: 15,000 HP, 5:00 timer, boss Attack 158 / Defense 137 (15/15/15 at tier CPM 0.79).

Raid bossAttacker levelAttacker IVsWeatherFriendshipDodgingTrainers in the lobbyMega in the lobbyParty Play trainersBoss fast moveBoss charged moveSort by

Attackers allowed

ShadowMega and PrimalLegendary, Mythical, Ultra BeastLegacy and Elite TM moves

Share these exact settings

Every column, and pokebattler.com's own rank

On a phone the list shows estimator, time to win and faints. Overall, Power, win chance, CP, DPS and TDO appear on a wider screen.

#	Attacker	Moveset	Overall	Power	Est.Estimator	TimeTime to win	Faints	Win % (2)	CP	DPS	TDO
1	Mega Houndoom darkfiremega Snarl / Dark Pulse+	Snarl / Dark Pulse++17 more movesets	99%	84.7%	1.30	5:59	9.6	100%	3,842	43.4	1493
2	Shadow Landorus (Therian) groundflyingshadow Mud Shot / Sandsear Storm	Mud Shot / Sandsear Storm+9 more movesets	92%	79.6%	1.38	6:22	10.3	100%	3,922	40.5	1305
3	Primal Groudon groundfiremega Mud Shot / Precipice Blades	Mud Shot / Precipice Blades+9 more movesets	100%	79.3%	1.39	6:24	4.5	100%	5,902	39.5	2750
4	Necrozma (Dawn Wings) psychicghost Psycho Cut / Moongeist Beam	Psycho Cut / Moongeist Beam+14 more movesets	89%	78.7%	1.40	6:26	13.0	100%	4,099	40.8	1126
5	Mega Gengar ghostpoisonmega Lick / Shadow Ball	Lick / Shadow Ball+31 more movesets	83%	75.0%	1.47	6:46	16.6	100%	4,336	39.2	829
6	Mega Mewtwo Y psychicmega Psycho Cut / Shadow Ball	Psycho Cut / Shadow Ball+26 more movesets	86%	74.3%	1.48	6:50	10.8	100%	6,428	37.8	1235
7	Shadow Darkrai darkshadow Snarl / Foul Play	Snarl / Foul Play+14 more movesets	81%	72.6%	1.52	6:59	15.0	100%	3,739	37.5	1014
8	Mega Mewtwo X psychicfightingmega Psycho Cut / Shadow Ball	Psycho Cut / Shadow Ball+26 more movesets	83%	72.0%	1.53	7:02	11.4	100%	6,112	36.9	1172
9	Shadow Groudon groundshadow Mud Shot / Precipice Blades	Mud Shot / Precipice Blades+9 more movesets	86%	71.5%	1.54	7:05	7.6	100%	4,115	36.1	1765
10	Mega Tyranitar rockdarkmega Bite / Brutal Swing	Bite / Brutal Swing+15 more movesets	83%	69.9%	1.58	7:15	7.8	100%	5,347	35.0	1820
11	Mega Garchomp dragongroundmega Mud Shot / Earth Power	Mud Shot / Earth Power+13 more movesets	87%	69.4%	1.59	7:18	4.9	100%	5,424	34.7	2788
12	Mega Absol darkmega Snarl / Brutal Swing	Snarl / Brutal Swing+9 more movesets	75%	69.0%	1.60	7:21	19.9	100%	3,301	36.2	780
13	Shadow Hydreigon darkdragonshadow Bite / Brutal Swing	Bite / Brutal Swing+9 more movesets	80%	68.8%	1.60	7:22	10.4	100%	3,625	35.0	1307
14	Shadow Tyranitar rockdarkshadow Bite / Brutal Swing	Bite / Brutal Swing+15 more movesets	77%	68.0%	1.62	7:27	12.5	100%	3,834	34.8	1216
15	Shadow Excadrill groundsteelshadow Mud-Slap / Scorching Sands	Mud-Slap / Scorching Sands+14 more movesets	75%	65.8%	1.67	7:42	11.6	100%	3,244	33.4	1200
16	Shadow Garchomp dragongroundshadow Mud Shot / Earth Power	Mud Shot / Earth Power+13 more movesets	79%	65.7%	1.68	7:43	6.9	100%	3,962	32.9	2124
17	Shadow Giratina (Origin) ghostdragonshadow Shadow Claw / Shadow Force	Shadow Claw / Shadow Force+7 more movesets	75%	65.4%	1.68	7:45	11.3	100%	3,683	33.2	1246
18	Shadow Absol darkshadow Snarl / Brutal Swing	Snarl / Brutal Swing+9 more movesets	69%	65.2%	1.69	7:46	24.1	100%	2,526	34.5	637
19	Landorus (Therian) groundflying Mud Shot / Sandsear Storm	Mud Shot / Sandsear Storm+9 more movesets	75%	65.1%	1.69	7:47	10.9	100%	3,922	33.1	1231
20	Shadow Chandelure ghostfireshadow Hex / Shadow Ball	Hex / Shadow Ball+19 more movesets	68%	64.2%	1.71	7:53	23.6	100%	3,268	33.9	598
21	Shadow Mamoswine icegroundshadow Mud-Slap / High Horsepower	Mud-Slap / High Horsepower+11 more movesets	74%	64.2%	1.72	7:54	11.1	100%	3,328	32.5	1259
22	Mega Banette ghostmega Shadow Claw / Shadow Ball	Shadow Claw / Shadow Ball+5 more movesets	68%	63.6%	1.73	7:58	22.2	100%	3,594	33.4	632
23	Shadow Mewtwo psychicshadow Psycho Cut / Shadow Ball	Psycho Cut / Shadow Ball+23 more movesets	69%	63.3%	1.74	8:00	19.2	100%	4,178	33.0	722
24	Shadow Landorus (Incarnate) groundflyingshadow Mud Shot / Earth Power	Mud Shot / Earth Power+7 more movesets	72%	63.2%	1.74	8:01	13.2	100%	3,588	32.4	1026
25	Shadow Rhyperior groundrockshadow Mud-Slap / Earthquake	Mud-Slap / Earthquake+15 more movesets	75%	63.1%	1.75	8:02	8.2	100%	3,733	31.8	1642
26	Shadow Gengar ghostpoisonshadow Lick / Shadow Ball	Lick / Shadow Ball+31 more movesets	66%	62.9%	1.75	8:04	28.3	100%	2,878	33.7	505
27	Darkrai dark Snarl / Foul Play	Snarl / Foul Play+14 more movesets	69%	61.7%	1.78	8:13	15.2	100%	3,739	31.7	1000
28	Shadow Salamence dragonflyingshadow Bite / Brutal Swing	Bite / Brutal Swing+20 more movesets	67%	61.6%	1.79	8:14	18.8	100%	3,749	31.8	748
29	Shadow Weavile darkiceshadow Snarl / Foul Play	Snarl / Foul Play+11 more movesets	66%	61.2%	1.80	8:17	20.2	100%	3,005	31.9	771
30	Groudon ground Mud Shot / Precipice Blades	Mud Shot / Precipice Blades+9 more movesets	73%	61.0%	1.81	8:18	7.6	100%	4,115	30.7	1766

How accurate is this? Same top pick as pokebattler.com on 26 of 27 lists checked, 90% of its top tens shared; weakest on Mewtwo's default list (7 of 10).

Ranking. Our full ranking against the page pokebattler.com serves for the same boss and settings, on 27 boss and filter combinations read live (2026-10-04): 242 of 270 top-ten places shared, the same #1 on 26. On the six fixed reference bosses (read 2026-10-03): 85% top-ten overlap with its default filters, 83% with Shadow, Mega and Legendary on. A close top three is shown as a tie because the order inside it is below what we can measure.

Time to win. Graded with Pokebattler's own movesets against every boss moveset, average per boss: Tier 1 and 3 +0.1% to +1.2%; Tier 5 −2.9% to +1.3%; Mega −1.1% to +2.6%; Shadow Tier 5 −1.8% to +0.3%. One attacker can be off by more: median 1.6%, worst 15%, RMS per boss moveset 2.05%.

Known weak spots.

Mewtwo (Tier 5, default filters) shares 7 of Pokebattler's top 10: Absol, Incineroar and Salamence sit just outside ours, Polteageist, Cursola and Hisuian Typhlosion just inside.
Groudon (Tier 5, default filters) shares 7 of 10; its Grass and Water counters run 2-6% fast here.
Tier 5 times run about 2-3% fast for attackers that faint often, and 2-3% slow on Mega Charizard Y and Mega Beedrill, whose counters resist the boss.
Tier 1 lists are the least checked: Combee (Tier 1) shares only 3 of Pokebattler's top 10, with Gigalith first here where Pokebattler puts Rhyperior.

This boss on pokebattler.com. Boss-by-boss accuracy report.

Ranked 30 attackers in 1.0 s (50 Monte Carlo runs each, seed 1). Same boss on pokebattler.com. The same ranking as JSON: /api/raids/rank.