Ryudamon is the Digimon partner of Sean Sky. Ryudamon is a fun loving, adventure seeking Digimon who loves to hang out with his partner and bash in the faces of evil Digimon who Bio-emerge into the Real World.
- Katana Attack: Hee jumps at the enemy, firing iron blade projectiles from his mouth.
- Helmet Reversal: He deflects his enemy's attack with his armored helmet using the power of his DigiCore.
The name "Ryudamon" refers to only the Rookie form of this Digimon. However, the In-Training form remains as the most common and preferred form, due to the fact that it would be suspicious to walk around town a an orange furred dragon wearing samurai armor.
Kyokyomon is the In-Training form of Ryudamon. Kyokyomon is a dragon Digimon. His only attack is Metal Straw.
- Metal Straw: Stretches out and then fires an iron spike from its mouth.
Ginryumon is the Champion form of Ryudamon. Ginryumon is a armored dragon Digimon. Hee attacks with great strength. His strongest attack is Metal Armor Blade.
- Metal Armor Blade: Fires a spear of iron from his mouth at the enemy.
- Battle Rod Break: His tail lights up and Hee hits the enemy with a strong iron tail.
- Dragon's spirit: Ginryumon summons a dragon demon to attack
Hisyarumon is Ryudamon's Ultimate form. Hisyarumon is a Chinese-dragon Digimon. Hisyarumon is a very strong Digimon with powerful attacks. Hisyarumon's strongest attack is Legendary Dragon Blade.
- Legendary Dragon Blade: Morphs himself into a giant blade and attacks.
- Every Direction Wheel: Wraps himself around the enemy while shooting energy blasts.
- Dragon Breath: Sends a breath of fire to destroy his enemies.
Owryumon is Ryudamon's Mega form. Owryumon's strongest attack is Immortal Dragon King Blade.
- Immortal Dragon King Blade: Fires an attack from the Gairyū Sadaijin and Gairyū Udaijin.
- Golden Armor: Rampages like the earthflow of a mighty river, tearing everything to pieces while charging the opponent.
- Dragon Summon: Summons a dragon demon possessed by the power of fire.
- Dragon's Darkness: Summons an eternal darkness, where several dragons will attack.