Ryu Kokki (character)

Ryu Kokki is a character version of the card "Ryu Kokki".

Yu-Gi-Oh! Ultimate Masters: World Championship Tournament 2006
In this game, Ryu Kokki appears as one of the Limited Duel opponents; it challenging the player to defeat it using no monsters that are not Zombie-Type.

Deck
Ryu Kokki uses a pure Zombie Deck titled "Ruler of the Underworld".