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.
I'll take Arata-san's magic and grimoires.
Ich werde Arata-sans Magie
und Bücher an mich nehmen.
Me quedaré con la magia 
y grimorios de Arata-san.
Me quedaré con la magia 
y grimorios de Arata-san.
Je n’oublierai pas de confisquer
ses pouvoirs et son grimoire.
Prenderò la magia di Arata-san ed i suoi grimori.
Eu vou pegar a magia 
e os grimórios do Arata-san.