Kavarian stabs the goblin with the broom handle, causing it to yelp in pain, even as it tries to push them off the plank. Seeing that tactic fail, and it's poop-fill-bag-wielding companion drop from the magic missiles, the creature does the only sensible thing, and crawls back down the drain pipe it emerged from, making an awful lot of noise as it does so, blubbering in panic as it flees.