The air blackens, the shadows of the alleys lengthen, and the wind shrieks as the Shadow and Material Planes collide.

Black labyrinth causes substantial disorientation within the area it affects. Direction and distance become impossible to determine, as the world itself bends and twists.

Nearby animals and vermin abruptly shudder. Their mouths and eyes gape wide as a torrent of blackness flows into them from the surrounding gloom.

Stalks of shadows burst from the ground, as though desperate to escape the bonds of the earth, and immediately flail at everyone nearby.