I dunno, some of these guys from other planets are pretty close to monsters. [he looks around, folding his arms over his chest, and then grins in a bloodthirsty sort of way]

Then again, sometimes the most dangerous monsters come in human form.

[the fight is pretty impressive, and there's a lot of delightful punching to watch, but after a bit Zoro looks for one of the people threading through the crowd with booze bottles and grabs one before he can slip past]

Oi. What do you gotta do to get into the ring, there?