Ryudamon (Chronicle)

Ryudamon is Yuuji Musya's partner.

Description
Attacks
 *  BURST: Blasts the opponent with multiple explosions.

Digimon Chronicle X
Dorumon, Yuji, Kōta Doumoto,, , and all disappeared for a long time following the defeat of , and even their fellow  and  had no clue as to the whereabouts of the missing Royal Knights. The group had been travelling all over the Digital World to try and help stop the discrimination against X-Antibody Digimon, with some of the Digimon they befriended being, , , and the.

During the battles between the Royal Knights and the group are able to sense that the Demon Lords had been causing trouble, so they round up all of the friends they had made during their travels and join the battle. Kōta and Yuji arrive to the battlefield on the backs of Alphamon and, whilst also bringing Omnimon X and a massive amount of good Digimon to help even out the large evil army of the Demon Lords. The good Digimon army then attack the evil Digimon army.

Ouryumon
Ouryumon is the Mega form of Ryudamon, the partner of Yuuji Musya. He faces off against Gallantmon of the Royal Knights and wins. However he is unable to stand up to the power of Gallantmon X and is defeated. He later assists against Dexmon and eventually gives him his power to become  in order to take down the undead menace.

Ten years later during the battles between the Royal Knights and, Ouryumon, Yuji, Kōta Doumoto, , and join the battle whilst also bringing a massive amount of good Digimon to help even out the large evil army of the Demon Lords. The good Digimon army then attack the evil Digimon army.