Compression Tunnel

Stealth DC 51 (legendary)

Disable DC 46 Athletics (legendary) twice to push back the shadows or DC 48 Thievery (legendary) three times to pierce through the shadows

Shudder [Reaction]

Routine (1 action) The tunnel compresses, crushing all creatures in it and dealing 4d10+22 bludgeoning damage (DC 42 basic Fortitude save). On a failed save, a creature additionally becomes immobilized (Escape DC 42).

Level 20 · Complexity Complex

Stealth DC 51 (legendary)

Disable

• Athletics DC 46 (legendary) — twice to push back the shadows
• Thievery DC 48 (legendary) — three times to pierce through the shadows

Trigger A creature reaches the tunnel's midpoint

Effect The tunnel shudders, knocking creatures prone unless they succeed at a DC 42 Reflex save. The trap then rolls initiative.