The Mightiest Demon of the Book of Zeref
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.
Aired 12/05/2019EP 31 - The Mightiest Demon of the Book of Zeref

2018
Fairy Tail Final Season
Fairy Tail has been disbanded. A year later, Lucy comes into contact with Natsu and Happy. The three of them try to find the other former members' whereabouts to reconstruct the guild as they seek the real reason behind the guild's disbandment.
(Source: Anime News Network)