The remaining 39 episodes contain the 'Tartaros' ( 冥府の門 ( タルタロス )編, Tarutarosu-hen) arc, which adapts material from the rest of the manga's 40th volume to the middle of the 49th volume, depicting Fairy Tail's battle with a dark guild of Zeref's demons who aim to resurrect E.N.D., their master and Zeref's ultimate creation.The season ran from April 5, 2014, to December 26, 2015, on. The next 24 episodes form an original storyline called 'Eclipse Celestial Spirits' ( 日蝕星霊編, Nisshoku Seirei-hen), in which the twelve celestial spirits of the Zodiac rebel against their owners Lucy and Yukino after being transformed by Eclipse's. However, they encounter a conspiracy involving a called Eclipse and the imminent destruction of the kingdom.
