Station Omega
Toss a loose screw or small object from your pocket down the ventilation shaft ahead, creating a clattering noise to divert the entity's attention and buy yourself time to move.Locate a nearby maintenance panel embedded in the shaft wall, quickly rewire the circuit to seal off sections of the ventilation system, trapping the entity behind you.Use the flashlight and any tools or debris in the shaft to wedge a makeshift barricade into the tunnel, slowing the entity's advance as you retreat further.Spot a weak section of the ventilation shaft ahead and lure the entity toward it, timing your escape to let the structure collapse behind you and block its path.