Wurm

Wurms are giant worm-like creatures that burrow through the ground. Some wurms are able to use siege attacks. They are generally larger, more aggressive versions of worms. The larvae state even resembles worms.

List of hostile NPCs
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 * 1) These Wurms are stationary.
 * 2) The Leviathan's species is unconfirmed.
 * 3) There are no collectors for Igneous Shells or Umbral Shells.
 * 4) ''Elder Siege Wurms only appear during the Horde of Darkness quest.

Trivia

 * Wurm, which means 'snake' or 'serpent' is also another archaic name used for Dragons.