R21

''This room smells heavily of oil, and the walls and floors look slick with it. There are splinters of wood streaked on the floor as well. It looks as if logs have been slid along here.''

Searching the Floor
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, oil drops from pots from above as per the greasespell. Reflex 16 to avoid the grease. Reflex 11 to avoid falling. If coated, the target takes a -4 penalty on saves to avoid fire.

From T12.2
You enter a small chamber, just ahead of you is another tunnel leading out.

From T21.1
You enter a small chamber, just ahead of you is another tunnel leading out.