Ryuji Mishima/Partners

Dorumon
Dorumon is one of Ryuji's Partners. It appears as part of Ryuji's team in Dominion Battles. When Keisuke Amasawa battles Ryuji in Under Zero, it has digivolved into a Dorugamon. After being freed from being evil alongside Arcadiamon, Ryuji fights Fei alongside Keisuke and Chitose in a Dominion battle to prove he is worthy of protecting Eden, in which Dorugamon is now a DoruGreymon.

Coredramon (Green)
Coredramon (Green) is one of Ryuji's Partners. It appears as part of Ryuji's team in Dominion Battles. After being freed from being evil alongside Arcadiamon, Ryuji fights Fei alongside Keisuke and Chitose in a Dominion battle to prove he is worthy of protecting Eden, in which Coredramon (Green) is now a Groundramon.