Leo (Eclipse)

Eclipse Leo is the altenative version of Loke who is member of the Fairy Tail guild. After the events of Future Rogue, and out of the dragons that Natsu sent them back along with the help of Lucy and her friends, Loke totally changes both in appearance and personality, and he becomes the leader of the 12 Celestial Spirits.

Eclipse Celestial Spirits arc
Leo first appears along with other spirits Lucy had contracted to announce that his contract has been canceled. However Lucy disagrees saying that she did not think of them as slaves, however not remembering the time they spent together, the spirits attack Mages, and Natsu pushes Leo questioning him, which Leo tells Natsu to stop calling him Loke. Leo returns to the world of Celestials spirits and talks to the spirits about the fact that the Mages have escaped. Then Virgo gives the Celestial Spirit makes the Liberum in order to achieve freedom. However Natsu prevents this from happening by irritating the Spirits as the attack him, but when the other Fairy Tail members appear all 12 Eclipse Celestial Spirit are forced to retreat and go to the gate where they will be teleported, and then the Fairy Tail members go after them.

After that Natsu and Happy go after Leo, who Natsu confronts him as they fight, Leo shoots Natsu who pisses him off, but soon after a mysterious explosion hits Happy and Natsu sending them away.

After that Leo reappears before Ophiuchus and talks her to fight Natsu and his friends before saying that Liberum is ready and she is already free to leave. After that Natsu tells Leo that the Eclipse Spirits are forced back into Spirit World while they say Liberum is ready, Leo laughs and says that the dark powers gave him another chance to perform the ritual. After Natsu and Leo fight against each other, although Leo has the advantage in the fight, Natsu manages to defeat him using the Black Fire Dragon Mode which makes him unconscious and with that Natsu uses the key and sends Leo to the spirit world.

With this, soon after it is revealed by Ophiuchus that the Eclipsed Celestial Spirit King is absorbing all other 12 Eclipse Spirit, and later when Natsu defeats her. Natsu and his friends fight against the Eclipsed Celestial Spirit King, Natsu enters it and defeats him causing the 12 Celestial Spirit also counting Ophiuchus back to normal.