That's The Spirit
"Michael..Leader of the Heavenly Armies." I addressed the angel."Mephisto. The despicable demon, doing the devil's dirty work." He addressed me back.Mephisto is a demon.Most people contact him to sell him their soul in exchange for fantastic powers.One day, Mephisto was summoned by an AI that wants to sell him their fantastic power for a soul.Credits goes To Writing.Prompt.S For this excellent story prompt To My Sister For persuading me to write this story. To whoever created the name 'Mephisto' And To a friend of mine for certain ideas…