Your every day average Joe
In justice League dark apokolips War movie, Darkside used Flash as An Energy Source to power his entire Planet.
Ah the good old school days make me want to murder his MC Once more 😒.
You can do it The Same Way Fic "Overlord of Biblical Proportions" did. By Sacrificing The Dead Body of The Creature You Want to Learn The Spells From In Return Get His Spells.