Cassiopea and Imaw attempt to reach Devas, only to discover it has fallen to Ether, Arde, and Keros. As Luna seeks revenge on LilaSari, Pirena infiltrates Etheria in disguise to kill Avria, but her plan is thwarted. In the midst of chaos, a mysterious ally named Memfes appears, and the Diwatas begin to realize just how deeply their enemies have conspired.
