Hershel took the time to homerun a spider back to the bottom of the pit, hopefully killing it or something so it wouldn't just go after succulent Osaka detective a minute later. Okay Hershel, focus.

"Um- Ah, go straight up, there's a rock jutting out over there, do you see it? When you reach that go right, you should miss them if you're fast!" He called quickly, taking a moment to pick up some stray bit of dirt or rock, whatever was lying around, and throwing it at a spider too close to Heiji.