Ch. 1: "I am END"

Fairy Tail, Sabertooth, Hisui, and Arcadios team up to kill Zeref and Acnologia. According to an old legend, the only way to defeat them is through a celestial spirit mage. But is Lucy and Yukino up to the challenge? Are they willing to sacrifice anything for this? This is my theory of how FT will end. (Heavily inspired by FFX. Cover image is made by Blanania, deviantart