Ultima gems

Six magical gems are in Litwak arcade and they have a unspeakable power. It's up to the Core 4, Rancis, Ron, Metalbeard, Mordecai, Rigby, Clio, Hidlegard, Elsa, Barry, Vivian and Smoke to find them before the villains do. One of the Prequels and tie ins to rise of the shadow lord. No flames.