Fairy Tail (dub) Episode 40 -

: As the tower begins to collapse and its unstable magical energy threatens to explode, Erza decides to merge with the Lacrima to contain the blast, effectively sacrificing her life for the safety of her guildmates.

: Natsu manages to pull Erza from the energy, reminding her that dying for your friends isn't the same as living for them. Where to Watch Fairy Tail (Dub) Episode 40

You can stream the official English dub of this episode on Crunchyroll , Apple TV , and other major anime streaming platforms. : As the tower begins to collapse and

: After consuming the magical energy of Etherion , Natsu enters "Dragon Force" mode, gaining the power needed to finally defeat Jellal and destroy the Tower of Heaven. : After consuming the magical energy of Etherion

If you're looking for more, I can provide a summary of or details on where the series goes after the Tower of Heaven arc . Just let me know!