In Episode 3 of Seraph of the End: Vampire Reign (English Dub), titled Yūichirō Hyakuya faces his first major test in the Japanese Imperial Demon Army. Plot Summary
The episode concludes with a major reveal in the vampire city, Sanguinem. It is confirmed that Mikaela Hyakuya is still alive , having survived the massacre years ago and been turned into a vampire. Key Characters in This Episode Owari no Seraph (Dub) Episode 3
Shows significant growth by choosing his family's true wishes over the demon's false promise of revenge. In Episode 3 of Seraph of the End:
Disregarding Shinoa’s warnings, Yūichirō grabs the possessed axe. He is immediately pulled into a vivid hallucination of his dead orphanage family, where a demon masquerading as Mikaela tries to manipulate his desire for revenge. Key Characters in This Episode Shows significant growth
Shown as a vampire soldier, marking his return to the story after the time skip. The Demon in Your Heart (Episode) | Owari no Seraph Wiki
Shinoa Hīragi takes Yūichirō and Yoichi Saotome to a restricted area beneath the school to demonstrate the dangers of "Cursed Gear". They find a student who has been possessed by a demon after failing to control a powerful weapon.