Les Ténèbres - Fusion du Sceau Maudit LCYW-FR263

You can Ritual Summon this card with "Ritual of the Dark Illusion". Once per turn, you can target 1 monster your opponent controls, and equip the target to this card. (You can only equip 1 monster to this card with this effect.) The ATK/DEF of this card become equal to those of the equipped monster. If this card would be destroyed by battle, destroy the equipped monster instead. As long as it is equipped with the monster, any battle damage you take from battles involving this card is also inflicted to your opponent as effect damage.