The ice enchantment / Star, Danielle

"Clio sees Eris casts a spell that weakens Kora's powers so that she can surpass her in class. Kora and Clio work together to stop Eris and ruin her plan"--Amazon.com.

When Eris is determined to keep Clea and Cora from being the best in class, the Melowies band together to stop her evil plan.