Lore4 Level 3 monsters
If this card is Special Summoned in face-up Attack Position, this card cannot be destroyed by battle. When you took damage by battles involving this card: Your opponent takes the same damage you took, also you gain Life Points equal to half the damage you took. If this card has a "Number 54: Lion Heart" as an Xyz Material, it gains this effect.
● This effect cannot be negated. When your opponent took 1000 or more damage by this effect, draw 1 card. Once per turn: You can detach 1 Xyz Material from this card to target 1 monster with 1000 or more ATK; destroy that target, then send the top card of your Deck to the Graveyard.