Board Thread:General Discussion/@comment-8435644-20130627180223/@comment-121511-20150228182803

Given the obscene amount of dragon souls the Last Dragonborn consumes, he will either become a God, walk Nirn as an immortal, or go to whichever afterlife he so chooses. The soulstack is a way to divinity, moreso when the souls being combined are shards of Aka Time Dragon.