Rodolphus' expression didn't change as Adrian hexed the other Renegade, but a slight tilt of his chin showed an acknowledgement of the boy's attempt to please him.
The other deatheater moved for his wand but Rodolphus put a hand out, "Tut tut children, now is not the time to duel. Disagreements are best settled in schoolyard fights, not in front of a superior's eyes."
As Hannah began to stir, Rodolphus watched her passively.