Agumon (X-Antibody) is the partner Digimon of Luò Huī. Agumon (X-Antibody) can be obtained it in some events, or buying cash items, like "egg" or "T.F.U". It evolves to Geo Greymon. Taiga meets Agumon (X-Antibody) after going through the distortion in the Colosseum's basement.

Agumon X is an altered version of Agumon that enhances its dinosaur traits, becoming more saurian in nature. It gains elongated claws on its hands and feet, its tail grows more pronounced, and it gains blue markings.

Agumon shows much potential, promising Digivolution into a great and powerful Digimon. Its special move is Pepper Breath, by which it spits flames at its foes. Agumon (X Antibody) boasts an increased potential to Digivolve into a species of Greymon, which are particularly powerful among Dinosaur-types.

When Huī is controlled by MetalPhantomon, Agumon first appears as a MetalGreymon X to save him. Later, Huī manages to get Agumon to digivolve to Greymon X. After receiving power from the Holy Knights, Agumon gains Omekamon as a Champion Digivolution.

The form of Agumon that drew out an unknown power from the X-Antibody, which transformed Agumon's Digi-Core. The blue line on his body is proof of his improved evolution. Agumon X

Agumon shows much potential, promising Digivolution into a great and powerful Digimon. Its special move is Pepper Breath, by which it spits flames at its foes. Agumon (X Antibody) boasts an increased potential to Digivolve into a species of Greymon, which are particularly powerful among Dinosaur-types.

↑ When multiple conditions are fulfilled at the same time, the last one wins

BlackAgumon X is a Reptile Digimon and carrier of the X-Antibody. Similarly to regular Agumon, it became a more ferocious Digimon due to the effects of the X-Antibody. Agumon's violent hunting of prey, in which it relies solely on its high offensive …

Agumon took in the "X-Antibody", which affected its "Digi-Core" and made it become this form that draws out unknown powers. The blue lines on its body serve as proof that its evolutionary nature into Greymon has been improved. (Wildermon)

It has grown hard, sharp claws on both its hands and feet, and demonstrates its power in battle. It is also a being that foretells evolution to a great and powerful Digimon. Its Special Move is spitting flame breath from its mouth to attack the opponent (Baby Flame).