The user attacks uncontrollably until it faints or its target faints. During this time, the user's Attack increases by 1 stage for each time it is hit by the target. If this move misses, the user continues to attack but has only a 1/256 chance to land a hit.
Normal
20
20
100%
Generation II
The user's Attack rises by 1 stage if attacked before its next move.
Normal
20
20
100%
Generation III
The user's Attack rises by 1 stage if attacked before its next move.
Normal
20
20
100%
Generation IV
The user's Attack rises by 1 stage if attacked before its next move.