T3.1

The hallway snakes ahead of you and has no light source of its own.

Arrow Trap
Perception DC 20 There is a break in the stonework on the floor.

Disable DC 20: ''You follow the panel to a trigger and sever the rope. What ever it unleashed by stepping on this pressure plate, it won't anymore''

Trigger: Stepping onto the 5' plate, arrows spring from above. +15 vs Flatfooted, 1d8+1 of all. And Kobolds run out:

From R3
''You leave the large room where the kobolds scheme and enter a long tunnel. It becomes increasingly warm,quite so, as you walk and you hear some scuttling noises''

From R7
The heat from the previous room subsides as you walk along the long tunnel.