6eeba363_onsters___Yu_Gi_Oh__Card_Guide__Card_Text
[Card Name] Number C92: Heart-eartH Chaos Dragon [Type] Xyz/Effect Monster [Attribute] DARK [Sub Type] Dragon [ATK] 1000 [DEF] 0 [Card Text] 
4 Level 10 monsters Cannot be destroyed by battle. When a monster you control inflicts battle damage to your opponent: You gain Life Points equal to the damage they took. If this card has "Number 92: Heart-eartH Dragon" as an Xyz Material, it gains this effect. Once per turn: You can detach 1 Xyz Material from this card; negate the effects of all face-up cards your opponent currently controls, until the end of this turn. This activation and effect cannot be negated.
Yu-Gi-Oh! Level 10 Monsters - Yu-Gi-Oh! Card Guide