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AncientMermaimon b
Level Mega
Type Ancient Aquatic Beast Man
Attribute Data
Family Unknown
Deep Savers
Cards (Ja:) St-914, Bo-843, Bo-1044

AncientMermaimon is an Ancient Aquatic Beast Man Digimon whose name and design are derived from "Ancient" and "Mermaimon". It possesses the attribute of "Water", and is one of the legendary "Ten Legendary Warriors" that saved the ancient Digital World. It is the guardian goddess of the birthplace of Digimon, the "Net Ocean", ruling the whole of it and able to handle all water, such as the ocean currents and tidal waves, as if they were its own limbs. It is said that countless continents and islands have been erased when AncientMermaimon felt angry. Its abilities were later passed on to the "Aquatic Digimon".[1]

Digimon Frontier

D-Tector 2.0 and 3.0

Digimon Story: Super Xros Wars Red and Blue

AncientMermaimon is a Mega-level Digimon. It can be digifused during battle from Mermaimon, Whamon, Scorpiomon, and Coelamon, and will attack with "Great Maelstrom". It can also be formed from a DigiMelody.


  • Great Maelstrom: Generates a gigantic maelstrom which swallows everything in the water.
  • Crystal Billow: Crystallizes water into supersolids, then fires them off like a machine gun.

Notes and references

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