Elezebub the Necromancer was Exiled from Earth and sent to Zorakor, deep in the planes of Hell. Imprisoned there, his soul will be tormented forever. The red-hot lava will forever burn his soul over and over, as his spirit diminishes. But there is no end to the torment he feels.
This one really stood out out to me, and the dark backstory you wrote up for it sure is an interesting read. I can only imagine what terrible deeds this necromancer has done to be deserving of this punishment.