Alduin

Intro Alduin known as "The World-Eater" in Skyrim's first appearance, Helgen in Elder Scrolls V/ Skyrim. Appears in both skyrim and Sovngarde. In the lore of the Last Dragonborn, The Last Dragonborn ends up defeating Alduin, causing him to be banished from Sovngarde and Skyrim for only a thousand years until he comes back.