Surprise, demon magic. And also he's the King and didn't ask anyone's opinion -

The demons all seem to have realized who he is, and while aren't bowing or anything, are much more respectful now.

Zaveid glances over the demons. "Settling a dispute." he indicates the official looking demon, who bows a little.

The pair of demons are fighting over child support, apparently. The man thinks the child doesn't need as much money now that the kid has hit middle teens, but the woman is certain the child can get into a good college in the middle, and wants the payments to remain the same.

And they'd prefer to fight it out.