The Purelight is to arrest your soul.
D-BT04/007 RRR 2021 極光烈姫 セラス・ピュアライト Aurora Fierce Princess, Seraph Purelight
Grade 4 / Normal Unit / Brandt Gate – Human
AUTO When this unit is placed on (VC), COST [Counter Blast 1 & Soul Blast 1 card with “Seraph” in its card name], your opponent chooses two cards each from their hand, rear-guards and soul, and imprisons them in your Prison.
CONT (VC) During your turn, all of your front row units get Power+5000 for every two of your opponent’s cards imprisoned in your Prison. If there are ten or more, all of your front row units get Critical+1.