Indeed. And the battering doesn't stop. Not until Leo has managed to get the dummy all the way to the other side of the ring, and pinned up against the ropes. It's then that he draws his wand and for a split second there...looks as if he's got enough rage to utter an Unforgivable.

But...only for a second.
Because once that second is passed, his repression field goes up and he's back to his seemingly calm demeanor.

"Finite Incantatem."