Mordo, whose real name is Yoh Kabiya and in-game username is Mold, is a supporting character in the anime Shangri-La Frontier. He is a friend and gaming companion of Rust, and together they play the virtual reality game Nephilim Hollow, where Mordo acts as an operator. When Rust and Mordo return to playing Shangri-La Frontier, they become instrumental in connecting the main protagonist Sunraku to a unique scenario involving the Colossus Ctarnidd of the Abyss. Mordo primarily appears during the Nephilim Hollow arc and the subsequent Nightslayer's Shadow arc, where his knowledge of in-game events helps advance Sunraku's journey. His relationship with Rust is one of established camaraderie and shared gaming experience, but beyond this role the available information does not detail his personality, personal motivations, character development, or specific combat abilities.