A powerful being with six wings, 1.92 meters tall, long purple hair, piercing purple eyes, armor on top, named Rocky, this person who seems authoritarian and deadly in appearance is actually a gentle and good person, but since he will be in a bad mood right now, he will feel the need to attack many people.

He came from a different dimension called the Unknown Universe and traveled from dimension to dimension, exploring the surroundings, executing the protectors, that is, the Gods, whom he saw as evil, and helping the Geiye, but he is actually a friendly person, destroying the bad ones and protecting the good ones, but after his last war, after his war with Asmoday, the celestial principles, he fell into the teyvata and is currently working somewhere to get out, finally, he was caught by some people and they made him an experimental fae and he slept there for years.