You tell Celia that your "feedback" or whatever she called it is unanimously against killing the worm. It's a half-lie, but you're not going to engage in any close combat with any giant monsters if they're not directly in the way. Celia whines and protests a lot, but grudgingly follows you down the spongy, slimy stairs into the dark shaft.

It's not a fun journey. The humidity is intense, and it smells like the inside of a moldy foot down here.