"Uh, I agree that punishing defections is - you'd think nice, actually stupid - but I don't think Calistrians are very interested in only punishing defection as opposed to bad things in full generality and I don't think they care about the punishment being - systematic, calibrated in punitiveness - they're not a legal system - Maybe revenge is the wrong word. Reversals of power relations? I agree revenge could be a perfectly good Lawful Evil domain if approached differently.
In the Abyss people turn into demons. In the Maelstrom - the Chaotic Neutral afterlife - they turn into chaos beasts, which can't interact with causality - the Maelstrom doesn't have any - in Elysium I have no idea. In Nirvana they turn into animals for unclear reasons. The True Neutral afterlife kicks you out into other afterlives as soon as you develop a slant on Law/Chaos or Good/Evil but if you manage to never I think you turn into a very specialized kind of godmath aimed at enabling the sorting. Heaven and Axis I think work mostly like Hell in that eventually you turn into mostly godmath but with, like, different emphasis, Heaven'll strip all the Evil out of you and Axis I think just makes you pure Law with no other desires."