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Raven was a small bird monsters that Maria raised into an undead crow, it was a very intelligent creature even after death, and served as recon most of the time. But over the months, Raven managed to slay many monsters and level up, evolving and growing as large as a person. His flying style was rather normal, but once he learned how to conjure phantasmal flames through the [Phantom Fire] Skill, he managed to create a new fighting style. Most birds that hunt prey usually fly up into the skies and then fall down to catch what they had seen. Raven was one of such birds. He covered himself in phantom flames and practiced hunting prey for a long time, many times failing. However, Kuro and the other Undead were there to cheer him up, alongside Maria.