|Title||Master of Supreme Cold|
|Cards||(Ja:) St-916, Bo-770, Bo-1037|
AncientMegatheriumon is an Ancient Beast Digimon whose name is derived from "Ancient" and the Megatherium and whose design is derived from the Pelorovis. It possesses the attribute of "Ice", and is one of the legendary "Ten Legendary Warriors" that saved the ancient Digital World. It is said that the power and bravery it possesses can adapt even to the intense cold of the freezing tundra. Its abilities were later passed on to the "Mammal" and "Icy Digimon".
Digimon Battle Spirit 2
D-Tector 1.0 and 3.0
- Freezing Blizzard: Generates a super-blizzard at absolute zero which suspends the atomic movement of every object.
- Great Snowplow: Performs a super-charge which easily destroys even the eternally-frozen gigantic icebergs.