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.
What, you've already learned how 
to use the two at the same time
Du hast bereits gelernt, zwei
gleichzeitig zu benutzen,
¿Convertirte en rey demonio bastó para que
¿Convertirte en Rey Demonio bastó para que
Il a déjà appris
à faire un développement simultané
Ehi, ehi, da quando prima ti sei trasformato
 in Signore dei Demoni,
Olha só, você descobriu como usar 
essas duas ao mesmo tempo