Korvaka was first seen being selected to fight Lavagor by Cosmo Royale, in which he quickly beats and destroys the warrior. He was awarded by getting a chance to retrieve one of the Ninja Power Stars from the Ninja Nexus Prism, but unable to get it after being electrocuted. Korvaka is later sent by Galvanax to retrieve the Prism after it is taken by Brody Romero. He finds and fights Brody for the prism, initially winning at first before being knocked into a tree by Sarah Thompson and Preston Tien via Sarah's hoverboard, knocking the monster dizzy. Noticing the power stars within the prism glowing, Brody, Preston and Sarah are each able to retrieve one, allowing them respectively to become the Red, Blue and Pink Ninja Steel Rangers. After Korvaka collects himself, the three morph and fight