The RYNOdiac is the most powerful weapon in Ratchet and Clank: Groove On, Groovitron!. It is an illegal fusion of the original RYNO and Megacorp's Zodiac constructed by Slim Cognito. The RYNOdiac releases nine missiles which, upon impact, burst into explosions similar to the Zodiac. However, the missiles do not home in on anything and instead are fired rather randomly. The weapon is also a burden to carry, making it harder to dance.