02 - Vampire...?
A demon said to feed on blood.
A being some claims to be of the undead, and painted as evil and ungodly by those whole hold to a religious view of the world. In addition to the need to feed on the blood of humans, creatures such as this also are seemly immortal and are able to control lesser demons.

Fate/EXTRA - Arcueid Brunestud (Berserker) Matrix