3 Level 9 monsters
This card cannot be destroyed by battle, also your opponent takes any battle damage you would have taken from battles involving this card. During your opponent's End Phase: You can detach 1 Xyz Material from this card; banish all cards your opponent currently controls that were Normal or Special Summoned, or were Set, this turn. If this card is destroyed while it has Xyz Material: You can Special Summon this card from the Graveyard. When you do: It gains 1000 ATK for every card currently banished.