"Fortunately," he smirked, "my balls bounce back!"
And where the bounce-balls had landed after having been hit by Arrow's arrows...
...they were still bouncing. And every time they hit the ground, they-- split? They doubled. Replicated. And on top of that...
...with every bounce...
...they were bouncing higher, harder, faster?
In seconds there were hordes of bounding and rebounding balls, like a storm of murderous Flubber, hopping skipping jumping between Connor and Carny, moving fast enough to break bone on impact if Hawke got to close.
Spent the whole night trying to find the YouTube video showing the ending of Day Watch. A little boy starts an apocalypse using a yo-yo of doom that does the same thing.