This trap sends down bricks from above on a misstep.
Detect: Per-based Traps at -5
Disarm: DX-based Traps at -2.
Circumvent: Automatic (don't trigger).
Evade: Dodge at -1.
Effects: 2d crushing.
Rearm: Yes, though you need to fix the trap, since triggering it makes the timbers or ceiling break.