Board Thread:Lore Discussion/@comment-6702118-20140722142914/@comment-28336182-20160524064610

Phantomsanic360 wrote: But if he's a god then how does the dragonborn (Spoiler warning) kill him. 1. He was not destroyed. He was placed by The LDB back to his original role as the World-Eater.

2. Dragonrend crippled and weakened Alduin.