Ray Jack is a main character from King's Knight -Wrath of the Dark Dragon-. A farmer's son in the rural countryside of Olthea, he receives the blessing of his country's patron deity Khalam, along with three others —Kaliva, Barusa and Toby—, to embark on a quest to save Princess Claire from the Dark Dragon Tolfidan, conqueror of the kingdom of Izander.
1★-4★: "One of the heroes blessed by Khalam. Ray Jack was leading a quiet life as a farmer's son in the rural countryside. However, after receiving the blessing of Khalam, the patron deity of Olthea, he would embark on a quest to save Olthea's Princess Claire—a quest that would elevate him into the realm of legend."
Ray Jack appears as summonable vision and optional playable character. A limited-time 5-6★ Rare Summon (with an alternate 5-7★ in the JP version), his job is listed as Warrior, and his roles are Physical Damage and Tanking. He was available during the King's Knight collaboration event Conqueror of Izander. His Trust Master reward is the passive ability White Knight's Soul, and his Super Trust Master reward*(JP only) is the greatsword Lightbringer.