"Perhaps one shall appear," Puck notes dryly.

Things have a way of doing that around here, although often, those things are him.

"In the meanwhile, what are we to do?"

This is his way of yielding to Havelock's likely superior knowledge of fortification and defense; mortals have much more to do with that than his sort ever have, the theory being that if you cannot stab, maul, or transfigure a problem, your best option is to hide.