Regulus waved an acknowledgment of Sirius' greeting, but any other response he might have made died unuttered as he stopped to boggle at the sight of an entire broom shed crashing down on a cluster of Inferi.
"Remind me never to get on your bad side," he remarked.
He nodded to Hermione as well, barely refraining from heaving a sigh of relief when he saw Aurors dotting the crowd at last. He knew the little group he was in now could hold its own, but not everyone at the festival was an experienced war veteran.
As a phalanx of riderless brooms zoomed closer, he noticed one heading directly toward him - Harry's doing, no doubt - and he flicked his wand at it to bring it to a halt. In a flash, he was mounted and rising above the crowd, feeling safer now that he was above the fight rather than in the thick of it; being aloft gave him an advantage in more ways than one, and he intended to use it.