 Some of the most powerful are Blackheart, Mephisto, Nightmare, Satannish, Thog the Nether-Spawn and Zom.There are also powerful benevolent mystical entities such as the Vishanti; or amoral and malevolent entities who are not truly demonic, such as Dormammu and the Octessence, or ones heavily drawing upon the mythologies of H.P.Lovecraft and Robert E. Howard.