How about the Million-Arthur King Arthur's Different World-type Kirika Sakura? Is the other world's sakura good to use? Don't worry, next, the editor will analyze whether this deviant million Arthur King Arthur's alien world type is a worthwhile card.

Million-in-Law Arthur Alien-Earth-Type Matsuki Sakura

Enemy single/physical/8574 hidden damage, [self/HP below 75%]self/blood sucking

An excellent 2C dark knife, and after today's version update, the boss is all light attributes. The alien-type Kiriki Sakura can stack chains. Although the blood-sucking effect is conditional, it is enough to help you in times of crisis.