Keiro is a former prisoner of Incarceron. He was in the prison with Finn. Finn and Keiro became oathbrothers, so they vowed to also help and protect each other. Keiro teams up with Attia to find Finn. When Keiro trades places with Claudia, putting Keiro in the realm and Claudia in Incarceron, Keiro becomes very greedy to possess the clothing, food, and other things he sees in the realm.