Flash - Advent: Emperor Beast & Cost 4 or more (Either Attack Step)
By sending your Soul Core to the Trash, stack this from your hand onto your target spirit.
☼[ Burst: After Your Life Decreases]
Summon this card without paying the cost. Or, advent it.
[LV2][LV3] (When Attacks) You can target and attack an opposing Spirit/Ultimate. When you've done so, at the end of a blocked battle, send two opposing Lives to the Reserve. Also, you can immediately activate your Burst.