Technically, Alex could refuse, or just demand the other boy climb down and get the rock himself. But was there really a need to antagonize each other? They'd already been told to off everyone else in the arena. Alex shrugged, then picked up the rock to toss it up into the tree toward Draco. His aim was rather good, and unless Draco was completely fumble-fingered, the rock passed within an arms length of him.

"Catch."