During the Inferno event, she tried to sacrifice her son to link Limbo and Earth permanently. She ultimately committed psychic suicide in a failed attempt to take Jean Grey with her. Powers and Abilities
Confronted by Jean Grey, Madelyne attempted to kill them both. Jean was forced to purge the demonic possession from Madelyne’s mind. In a final act of spite and despair, Madelyne committed suicide, dying in Jean's arms. However, she did not truly die; she survived as a psychic entity, later returning to plague the X-Men, notably clashing with her son Cable and the woman who would become the Red Queen of the Hellfire Club. madelyne pryor goblin queen