Fairy Tail Final Season Episode 31: The Mightiest Demon of the Book of Zeref
Episode 31 of 51 of Fairy Tail Final Season, aired May 11, 2019, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Just as Gray learns E.N.D.'s true identity, Lucy faces off against Brandish. Lucy tries hard to avoid a fight, but her desperate pleas go unheard. With neither side willing to compromise, the ensuing battle triggers an all-new crisis.