Onyx joins a group of fellow occultists to attend a dark ritual at the mansion of their idol, Bartok. Suspecting Bartok’s nefarious intentions, Onyx is suddenly immersed in a wor 　　Onyx joins a group of fellow occultists to attend a dark ritual at the mansion of their idol, Bartok. Suspecting Bartok’s nefarious intentions, Onyx is suddenly immersed in a world of monsters, mystery, and mayhem. 详情