Almighty Psybeam

Activation Condition: When the user’s Sp. Atk is raised.
Deactivation Condition: Cannot be deactivated.

Never misses. Leaves the target confused. Lowers one of the target’s stats (Attack, Defense, Sp. Atk, Sp. Def, Speed, accuracy, or evasiveness) by one stat rank at random the following number of times:
two times regardless of the status of the allied field of play,
four additional times when the Physical Damage Reduction effect applies to the allied field of play,
four additional times when the Special Damage Reduction effect applies to the allied field of play.