Pokémon GO Raid Counters.
The best counters for any raid boss, ranked by damage per second and total damage, with weather, friendship and attacker level taken into account.
boss damage from its own moves
Mega Mewtwo YTop Mewtwo counters
1591 attackers scored33.31,509100%
32.51,41597%
38.177694%33.01,18794%
33.698191%33.595590%
34.387389%
36.070888%
34.873986%
30.299884%
33.473384%
32.179383%
27.11,28182%36.848281%29.888581%35.053780%
32.562879%
29.680678%
26.31,14078%
31.168478%26.11,14178%26.91,02577%28.585577%
26.998577%
28.979577%
25.41,15776%
24.51,27676%27.094276%27.191876%
26.497575%Mewtwo moves as a raid boss
How the counters are ranked
Every released Pokémon is tried with every moveset it can learn, at level 40 with 15/15/15 IVs, and keeps its best one. Damage per hit follows the game's formula: half the move's power, times the attacker's Attack over the boss's Defense, times same-type bonus (1.2x), type effectiveness, weather boost (1.2x) and the friendship bonus, rounded down, plus one.
DPS is how fast a counter deals that damage while cycling fast and charged moves, and TDO is how much it deals before it faints. The incoming damage that decides how long a counter lasts comes from the boss's own moveset against that counter's typing and Defense, so a Pokémon that resists the boss ranks higher than its raw attack suggests. The score is the fourth root of DPS³ × TDO, the weighting most raid guides use, which favours speed but still rewards a counter that stays in.
A raid only allows one Mega at a time, so read the list without Megas if someone else is bringing one, and turn off elite moves if you don't have the Elite TMs to teach them.