Here’s a theoretical for you based off a dream I had that apparently came from the Briarwoods arc of Critical Role.

Assume a D&D style fantasy world, w/ a recurring villain who continues to be an issue even after having been killed.

Alive she was a powerful sorceress. Dead, she has become powerful enough to be a warlock patron.

Since she’s a “if you send me to hell I’ll just kill Satan and assume his throne” type, how do you take her out of the equation for as long as possible?