Fairy Tail - Season 5 - Eps 21: Sin and Sacrifice
Jellal and Erza are saved from Millianna's wrath when Ultear comes to their aid, explaining to the woman that she is the evil behind the Tower of Heaven incident. With the Mages of Fiore struggling against the attacking Dragons and hatchlings and neither Natsu nor Future Rogue gaining an advantage in their fight, many people begin to feel doubtful about surviving the war. Concurrently, Gray falls to one of Motherglare's minions protecting Juvia, and Ultear decides she no longer deserves to live after the darkness she has brought to those around her.
About Fairy Tail

Title: Fairy Tail
First Air Date: 2009-10-12
Last Air Date: 2019-09-29
Status: Ended
Rating: 7.9/10 (from 963 votes)
Language: JA
Seasons: 9
Total Episodes: 328
Network: TV Tokyo TV Aichi TVQ TV Osaka TVh TSC
Genres: Animation, Action & Adventure, Comedy, Mystery, Sci-Fi & Fantasy
Production Companies: A-1 Pictures, SATELIGHT
Synopsis
Lucy is a 17-year-old girl, who wants to be a full-fledged mage. One day when visiting Harujion Town, she meets Natsu, a young man who gets sick easily by any type of transportation. But Natsu isn't just any ordinary kid, he's a member of one of the world's most infamous mage guilds: Fairy Tail.
Cast

Tetsuya Kakihara
Natsu Dragneel (voice)

Aya Hirano
Lucy Heartfilia (voice)

Rie Kugimiya
Happy (voice)

Yuichi Nakamura
Gray Fullbuster (voice)

Sayaka Ohara
Erza Scarlet (voice)

Satomi Sato
Wendy Marvell (voice)

Yui Horie
Carla (voice)

Hiroki Yasumoto
Elfman Strauss (voice)

Wataru Hatano
Gajeel Redfox (voice)

Hiroki Touchi
Panther Lily (voice)