S1·E24 X-DAY! The Demon Beast is Reborn!

Relieved from Eris's control, the clone Rezo assaults Lina and her friends with his own will. The clone gets the power of Zanaffer, the demonic beast, and wants to prove his new strength. He challenges Lina's Giga Slave. Lina is almost provoked into using this powerful magic until Sylphiel stops her. It may destroy the world if it gets out of control. The clone attacks Sylphiel and Lina shields her taking the clone's tremendous blow.