The Demon Lord is defeated by a human hero. To find his replacement, the demonkin hold a competition. Helck, a human and mortal enemy, is among the participants.

Helck displays mind-blowing strength and leaves Vermilio increasingly concerned about the threat he poses.

The mysterious power of the gate sends Vermilio and Helck to an unknown remote island. Vermilio travels deeper into the island and comes across a fluffy creature.

Hyura and the others escape Castle Urum but soon find themselves surrounded again. Azudra arrives to subdue the winged knights. All the while, Azudra begins plotting.

Vermilio is frightened by Helck's power as he goes berserk during his battle with Augis. It makes her recall the words of the Great Witch, who warned her about Helck.

The winged knights continue attacking Castle Thor to level themselves up further. Meanwhile, Asta keeps snooping for information in the human realm.

Hyura and Edil battle it out at Castle Thor while a strange relationship starts between them. Meanwhile, Mikaros is confronted by Azudra and reveals a past grudge.

Helck faces off with his former friend, Alicia. Meanwhile, Vermilio can't help but be concerned about Helck as she continues to fight with Raphaed.