Fairy Tail (2009)

S5E2 The Eclipse Project

At the dragon graveyard, Arcadios reveals to Fairy Tail the crucial role they must play in bringing Project Eclipse to fruition. He then leads them to the royal palace, Mercurius, where he unveils Eclipse, the portal intended to send a group back in time to eliminate Zeref. However, not all members of the kingdom agree with the idea of altering the course of history...