Episode Title:
Isekai Cheat Magician.
Episode Description:
The two opposing armies join forces to stand against the berserkers, but face impossible odds. Ready to do whatever he must to save his friends, Taichi calls on Aerial's full power. Acknowledging Taichi's willingness to sacrifice himself, Aerial gives up her current form, evolving into the Queen of the Wind Spirits, Sylphid, and enabling Taichi to break the spell. He then combats Inimicus, who is transformed into a demon by the dark power in him, and destroys him; but before that, Inimicus informs him of Lady Shade's intentions to use his powers to change this world
