Board Thread:Lore Discussion/@comment-85.74.137.231-20130605091958/@comment-10207438-20130810190942

The "LAST" in The Last Dragonborn is meant to signify the prophecy, He is The "LAST" Dragonborn because there is no future after him, at least not one that can be seen, and this is because if he fails There is no stopping Alduin from devouring Existance.