Vilius Unleashed

Vilius Unleashed is the thirteenth episode of Tenkai Knights. It first aired on November 16, 2013 on Cartoon Network in the United States.

Plot
While Ceylan and Toxsa are still battling in the Dragon's Nest, Guren and Chooki bring the white key to Quarton with the help of Boreas. Once there the five Cubes are combined into one giant cube that can be only opened with the Dragon Key, awakening the Tenkai Dragon. Once awakened the boys learn who to command the dragon and use it's might to turn the tide of battle against the Corrupted. However, Dromus captures it in a trap and transports it to the Corrupted headquarters. During the fight, Guren reveals his human identity to Vilius before killing him in a duel. In the aftermath of the battle, Vilius revives and swears to conquer Quarton and Earth.