Later, Fairy Tail wages war against the Etherious dark guild Tartaros, who goal to unseal a book considered to comprise E.N.D., Zeref's ultimate demon. When Acnologia returns to annihilate each guilds, Igneel – revealed to obtain sealed himself in Natsu – emerges to battle Acnologia, only to become killed in front of a helpless Natsu, who depar