Pendulum Effect
Once per turn, during your Main Phase 1: You can target 1 face-up monster you control; the monsters your opponent currently controls lose 800 DEF until the end of this turn, and if they do, if the targeted monster attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent. (These effects remain even if this card leaves the field.)
Monster Effect
If this card is destroyed by battle: You can make the monster that destroyed this card lose 800 ATK.