The episode begins with a tense situation where the characters are surrounded and about to be arrested for conspiracy against Princess Altiria. Zol Vadis, who has declared himself the Demon Lord and ruler of the world, intervenes and offers refuge to the remnants of the Alliance of the Alpha Wolves. They accept, become "Devil Wolves," and are given a hidden underground labyrinth as their sanctuary.

The scene shifts to the academy, where Leo is confronted by a swarm of animals drawn by vampires. Meanwhile, Leo is busy consolidating the remains of the half-human organization and advancing his plans to rebuild his demonic army.

The episode features a training battle in which Leo's squad participates. During the competition, various strategies and combat skills are demonstrated, with Leo and his comrades showcasing impressive teamwork and individual abilities.

The episode also includes mysterious elements, with hints about a demon sword, a prophecy, and a vanished city in the Void.

The episode concludes with a mission to the ruins of the city.