Nidhoggmon

Nidhoggmon is a Demon Dragon Digimon. It is a colossal Digimon that takes vast amounts of energy into its body, and is constantly overheating. The color emitted from its wings is its overheating level; the redder it is, the more dangerous it is. Nidhoggmon repeatedly destroys and absorbs things, leaving nothing behind in its wake.

 Attacks: 
 * Annihilation
 * Rudament

Etymologies
Official romanization given by the Digimon Reference Book and used in the franchise.
 * Nidhoggmon (ニーズヘッグモン)
 * . A mythological dragon/serpent from.