User blog comment:DarckRain/How Ainz is going to die?/@comment-27008999-20171025124757/@comment-29248623-20171025135013

I'm going for that same route as I think it's an adlib to the script Demiurge handed to Ainz.

It's possible they'd play out something along the lines of Ainz "dying" after a dragged out battle with Jaldaboath.