The is the mentor to Luxu and the Foretellers who vanishes before the events of Kingdom Hearts χ. He possesses an eye with prophetic vision that allows him to transcribe the Book of Prophecies, embedding it within the "No Name" Keyblade and passing it down to maintain his future sight until it is acquired by Xehanort at the beginning of the series storyline. In Back Cover, he is shown to have a playful and mischievous personality that conceals his true nature. The Master of Masters is voiced by Tomokazu Sugita in Japanese and Ray Chase in English. is a character who appears in "Toy Box" world based on Toy Story as the lead of the in-series video game Verum Rex. He later appears physically in the secret ending of Kingdom Hearts III, and encounters Sora within the Final World in Kingdom Hearts III Re Mind as the boss of the expansion's Secret Episode. Yozora is voiced by Tasuku Hatanaka in Japanese and Dylan Sprouse in English. Nomura said in 2022 that he had had plans to create a Verum Rex game to develop Yozora, but the idea was scrapped in favor of Kingdom Hearts IV starring Sora as the lead as he was worried about his popularity. Master is a senior Keyblade Master and mentor to Xehanort and Eraqus at Scala ad Caelum, appearing in Kingdom Hearts Dark Road. When seven upperclassmen disappear, he sends his new students to search the worlds. After most of his students are killed by Baldr, he decides to retire and make Eraqus his successor. , , , and are Xehanort's and Eraqus's fellow Keyblade wielders-in-training under Master Odin, appearing in Dark Road. They are set on a mission to discover the whereabouts of their vanished colleagues. Vor, Urd, and Hermod are eventually killed by fellow wielder Baldr, while Bragi, who is secretly Luxu, fakes his death and escapes. is another Keyblade wielder who lives and trains in Scala ad Caelum, appearing in Dark Road. After his sister Hoder is killed protecting him, his grief and guilt cause him to be overtaken by darkness, and he kills several other students and nearly summons Kingdom Hearts before being defeated by Xehanort. , , , , , , and are high-leveled Keyblade Wielders and Master Odin's seven upperclassmen who have mysteriously vanished. After Hoder, Heimdall, Helgi, and Sigrun are killed through the manipulations of an incarnation of