Avalanche Doors

A pair of massive doors balanced to topple forward and crush whoever trips the trigger beneath their weight.

Stealth DC 22 (expert)

Disable DC 22 Thievery (trained) to detach the trigger from the doors and lock them in place

Topple Forward [Reaction]

Critical Success The creature lurches to the side and takes no damage—move the creature to a square of the creature's choice adjacent to the trap's area of effect.

Success The creature takes 3d8 bludgeoning damage and is pushed into an adjacent square just outside the trap's area.

Level 4 · Complexity Simple

Stealth DC 22 (expert)

Disable Thievery DC 22 (trained) — to detach the trigger from the doors and lock them in place

AC 21

HP 50 · Hardness 11

Immunities critical hits, object immunities, precision damage

Trigger Someone attempts to open the doors, or the doors take enough damage to become broken

Effect The heavy metal doors are spring-loaded to slam downward, dropping like a drawbridge to smash all creatures in a 10-foot-square before the doors. All creatures in this area must attempt a DC 21 Reflex save.