Maou Gun Saikyou no Majutsushi wa Ningen datta - Vol. 5 Ch. 19.1

[MangaDex]

 

[Kaarme]

The demon nation really can't afford to keep Ike in a minor role. His talents would be largely wasted. In fact he was already acting in a general's role, handling his own occupation zone and army, just lacking the title of a general because he refused it earlier.