Forewarn

Determines what moves a foe has.

Reveals the opponents' strongest move upon entering battle.

On entering battle, reveals one of the opposing moves with the highest assigned power, choosing randomly among ties. In Black 2 and White 2, one-hit KO moves are ranked at 150; Counter, Mirror Coat and Metal Burst at 120; other damaging moves with no fixed listed power at 80; and status moves at 1. Other moves use their listed base power, even when their actual power can change.