Number 101: Silent Honor ARK [LVAL-EN047] Ultra Rare Wyrm but its DEF becomes 0

but its DEF becomes 0 at the end of this turn

if a "Battlin' Boxer" monster you control battles an opponent's monster: You can detach 1 Xyz Material from this card

You can send 1 Fiend monster from your Deck to the GY with ATK or DEF equal to the amount paid

During your next Standby Phase: Special Summon this card banished by this effect

and Xyz Summoning

Number 101: Silent Honor ARK [LVAL-EN047] Ultra Rare Wyrm but its DEF becomes 0Set: Legacy of the Valiant Card type: Xyz Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 1000 2 Level 4 monsters You can detach 2 Xyz Materials from this card, then target 1 Special Summoned monster your opponent controls in face up Attack Position; attach it to this card as a face up Xyz Material. You can only use this effect of "Number 101: Silent Honor ARK" once per turn. If this face up card would be destroyed, you can detach 1 Xyz