Ryudamon is a main Digimon and a friend of the Digimon Trio Members.
Like most DigiVenutre Digimon, he has other forms, or a Digivolution. But he mostly stays as Ryudamon.
Ryudamon's Digi-EggThis is Ryudamon's Digi-Egg. He becomes this form when he was defeated as Alphamon Ouryuken.
Ryudamon Digivolves to this form when he is facing a Mega or Ultimate level Digimon.