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.
That means you've really 
helped me out a lot, then...
Das bedeutet, dass du
mir viel geholfen hast …
Eso quiere decir que me has ayudado mucho...
Eso quiere decir que me has ayudado mucho...
Alors,
tu as toujours pris soin de moi.
Il che significa che mi hai aiutato davvero...
O que significa que você 
já me ajudou muito...