Web Novel](/s "I guess it's not technically confirmed, but it's sort of obvious the witch of envy brought him over. The witch has two split personalities, one being satella and the other being the witch of envy. Rational persona versus irrational persona basically. His power to return by death is a "gift" from satella (In my opinion, she just wants him to "stay alive"). He's unable to tell anyone because he's always being watched by the witch supposedly, so there isn't really anyway to sneakily tell people. However, it's looking more and more like it's for safety reasons, rather than anything else. Say an enemy found out about his ability and that death was a requirement for the activation? They would just lock him up or torture him without killing him... "