Shrinking Hall

Mechanical Trap

Stealth DC 18

Disable DC 21 Thievery (trained) to jam the scales built into the floor

Shrink [Reaction]

Reset After 10 minutes without weight being placed on this hall's floor, this trap resets, returning the hall to its original size.

Level 2 · Complexity Simple

Stealth DC 18

Disable Thievery DC 21 (trained) — to jam the scales built into the flo

Trigger 100 pounds of weight or more is placed on the hallway's floor

Effect The hall's last 40 feet of walls angle inward, causing the hall to shrink and contract down, reaching 6 inches in height and width at the hall's far end and completely blocking access to the hall's exit door for anything but a Tiny creature Squeezing.

Reset After 10 minutes without weight being placed on this hall's floor, this trap resets, returning the hall to its original size.