Scandinavia

In Norse mythology, Níðhöggr (Malice Striker, in Old Norse traditionally also spelled Níðhǫggr, often anglicized Nidhogg) is a dragon/serpent who gnaws at a root of the world tree, Yggdrasil.Nidhogg is shown as a comparison for Alduin, the main antagonist of The Elder Scrolls V: Skyrim, in the sense both feed on the dead and are the symbols of destruction.