Board Thread:Lore Discussion/@comment-66.243.250.142-20150503041403/@comment-27254145-20151204135658

AzuraKnight wrote: If you ask Arngeir about what happened and if you really killed Alduin he'll say -

"Perhaps, perhaps not. Dragons are not like normal mortal creatures, and Alduin is unique even among dragonkind. He may be permitted to return at the end of time to fulfill his destiny as the World-Eater. But that is for the Gods to decide. You have done your part."

Answered. Ever notice you don't absorb his soul? Alduin still exists, and he will likely return. I think Miraaks destiny was also to defeat Alduin. Look how that ended. (May be wrong)