Ouryumon

OwRyumon is a Dragon Beast Digimon, he is the Mega form of Ryudamon. The only media he has appeared in is the Digimon D-Cyber manga, the Digimon Chronicle storyline, the virtual pets, and cards. He wields the swords Yoroiryuhidari (left arm) and Yoroiryu (right arm), able to be combined into the Ouryuuken that Alphamon uses to transform into Ouryuuken Mode.

Digimon Chronicle
OwRyumon is the Mega form of Ryudamon, the partner of Yuuji Musha. He faces of 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 Alphamon against Dexmon and eventually gives him his power to become Alphamon (Ouryuuken) in order to take down the undead menace.

Digimon D-Cyber
Masuken's partner is originally a Gaiomon, but is defeated by Hikaru's DexDorugoramon. It reverts into a Digi-Egg, and temporarily becomes a DexDorugamon through Death-X Evolution. Finally, it is revived as a Ryudamon. Ryudamon eventually becomes a HisyaRumon, and after receiving power from the Holy Knights, gains the ability to become OwRyumon. Then, finally, OwRyumon becomes the blade that allows Alphamon (Ouryuuken) to destroy Dexmon.

Attacks
 * Eisei Ryuuoujin (永世竜王刃): Puts his two blades together to make a giant sword called eiseiryuuoujin.
 * Golden Armor (黄鎧): Shoots a gold beam from his armor.