T13.2

The tunnel is narrow, akin to a hallway, only 4' wide.

Searching the Floor
Perception DC 20 +1/10': ''Amongst the rocky rubble you see a gleam of metal. Bear traps litter the floor and any false step may activate one.''

Disable DC 20 or Acro DC 12: per trap (x12)

Bear Trap: Atk +10 melee (2d6+3); sharp jaws spring shut around your ankle, halving your speed;

May escape with a DC 20 Disable Device check, DC 22 Escape Artist check, or a DC 26 Strength check

From R13
You leave the clamoring of the rat nest behind you and enter a rocky tunnel.

From R23
You leave the cavern behind you and enter a rocky tunnel.