[Norfleet]

Originally posted by Tris:
Hmmm - one way would be to have a spell which locked the caster and its target into Stasis, for as long as the spell was maintained.

This spell already exists. It paralyzes anything unresistably in combat, and is called "PETRIFY". No form of immunity or MR can protect against this: It always paralyzes at worst, and costs no gems: You can just keep casting it ad infinitum.