The Demon King, the ruler of the land of demons called The Decayed, is a powerful being from which the Miasma originates. He resides within an old castle deep within The Decayed. He has summoned you from another world to become the antithesis of the Summoned Hero. Under his orders, you must fight against the Summoned Hero. The Demon King's name is Eosfor Sathanas Asmodeia. He is as old as the very earth, yet his appearance is still that of a young, handsome man. He is highly intelligent.