From Bulbapedia, the community-driven Pokémon encyclopedia.
Mirror Move (Japanese: オウムがえし Parrot Mimicry) is a non-damaging Flying-type move introduced in Generation I.
Mirror Move causes the user to use the last move that the opponent used. An attack called by
Mirror Move in this way counts as the last move used.
Mirror Move will fail if the opponent did not make a move selection in the round before the use
of Mirror Move, switches out during the round Mirror Move is used, or if the opponent's last
move used was Mirror Move.
Paralysis, confusion, recharging, and building up for a multi turn move have no effect to the
last move used. If Mirror Move is used against an opponent that was fully paralyzed or hurt
itself right before its use, Mirror Move will still use the last move that the opponent used.
If Mirror Move is used during the first turn of a multi-turn move, Mirror Move will use the
move that the opponent used before that move (or fail if no move was previously made).
A Pokémon will be able to use a move that is disabled if it is called via Mirror Move.
In Stadium, Mirror Move will copy multi-turn moves during either of the turns they take to execute.
In other languages
Spanish: Mov. Espejo, French: Mimique, German: Spiegeltrick.
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