Sasha was a modern-day paladin, fighting righteous battles against the forces of darkness. Until a demon took away his magic in an unthinkable violation. Now he's alone, cast out by his brothers, with no power and no purpose.
Anyone would want revenge after that.
But Sasha isn't just anyone.
This short story is 12,700 words long. It can also be found in Mortal Creatures, a collection of stories about grief and magic.