Right. Die and be reborn and then rise, or he ascends to a different level and is reborn.
In both cases, the Emperor's plan, or foresight, was "in either or any other case, if I get up, kill me."
Right now, unless there is some new canon that said otherwise, I was under the impression he is very much a broken husk, shattered mentally, and just enduring ongoing agony on the Throne.