However they made it down, Ursula is already examining the whistling grotto, humming to herself. Arcas has already examined the hole, giving a confirming nod to Ursula.

"It shouldn't take too much to get this open. Perhaps our chemist friend can concoct us an explosive!" Arcas helpfully suggested.

"I was going to say the same thing," Ursula agreed, turning her attention to Papyrus. "We'll have to be careful, though. We don't want to cause too much damage."