Spiked Doorframe
Level 4
A doorway lined with concealed spikes that slam home the instant someone works the handle. The mechanism is well hidden — DC 25 Stealth (trained) to notice it.
Disable it with Thievery DC 20 (trained) to deactivate a trigger built into the door's handle. The doorframe has AC 21, Fort +12, Ref +8, Hardness 11, 44 HP (BT 22), and is immune to critical hits, object immunities, and precision damage.
In play
Spikes [Single Action] (attack); Trigger The door is opened.
The spikes attack at +17 for 4d6+3 piercing damage.
Level 4 · Complexity Simple
Stealth DC 25 (trained)
Disable DC 20 (trained) — (trained) to deactivate a trigger built into the door's handle
AC 21
HP 44 · Hardness 11
Immunities critical hits, object immunities, precision damage
Effect The trap makes an attack against the creature that opened the door.