The moment you would take damage from a move that reduces you to zero hit points, you may use your reaction to force the attacker to make a WIS save against your Move DC. On a failure, all PP from the move that caused you to faint is depleted.

The moment you would take damage from a move that reduces you to zero hit points, you may use your reaction to force the attacker to make a WIS save against your Move DC. On a failure, all PP from the move that caused you to faint is depleted.