Description

When you take damage from an opponent's attack or card effect: Apply this effect based on the type of damage. ● Battle: Special Summon 1 monster from your GY with ATK less than or equal to the damage you took, and if you do, end the Battle Phase after the Damage Step. ● Effect: Inflict twice that much damage to your opponent. You can only activate 1 "Split Mirror of the Underworld" per turn.