T26.2A

This tunnel snakes along, moss and fungus grow along the walls and floor here.

Searching the Floor
Perception DC 20 The floor is littered with foot wide holes covered carefully with patches of moss

Punji Stake Trap x12

Attack +10 (-DD Modifier if found), 2d4 damage takes damage if escaped by anyway other than Disable Device 20

You step into one of the holes and sharp inwardly pointing stakes sink into your leg.

Can't effect Large or larger creatures (Mozart steps on one but his large foot just covers the hole)

DC 15 or less Disable Device check, takes damage, does not escape.

DC 20 Escape Artist check, or DC 24 Strength check, escape but take damage

From R26
You leave the heat behind you as you walk into a tunnel. It splits on your right, leading away elsewhere, though the main shaft continues onwards not far.

From R36
Ahead of you a warm air fills the tunnel, you can see that it splits off to your right. Straight on the floor glistens and looks sleek with moisture.

From T26.2B
The tunnel splits ahead of you, to your left the air is hot, and the floor glistens and looks sleek with moisture. To your right the air is less tepid.