Geocrawler
The Geocrawler is the boss of the 56th Floor of Aincrad.
GeoCrawler
The Geocrawler is the only known boss that does not have a Boss Room or a dungeon. It is found in an open field at the end of the 56th Floor, guarding the stairs to the next floor.
Appearance:
The largest known boss revealed so far, it has the height of a one-story house and is many times longer, like a legged armored earthworm or serpent. It has large horns and very prominent armor on its shoulders, back, legs, and front.