The ultimate demon lord, Astral Trinity, shows up in the form of Arata with a grotesque new appearance. Hijiri appears as well, and the others discover that she is a high-level mage whose goal is to kill Arata and destroy the school.
If you think he's that dangerous,
Wenn du denkst, dass er gefährlich ist,
Si te parece tan peligroso,
Si te parece tan peligroso,
Si c’est vraiment ce que tu penses,
Mira,
Mira, se credi che sia così pericoloso,
Se você acha que ele 
é tão perigoso assim,