meg·a·lo·ma·ni·ac ˌmeɡələˈmānēˌak/ noun 1. a person who is obsessed with their own power. adjective 1. exhibiting megalomania. Chara's soul remains, but finds another host, herself. After regaining her body, can Chara change her ways? Or will this be. One. Bad. Time. An original Geno! Undertale AU, by lexiz2902