Dense shadowstuff swirls across the battlefield, capturing your enemies in a mire of dark energy.

Daily   ✦     Arcane, Implement, Necrotic, Shadow, Zone
Standard Action      Area burst 2 within 20 squares

Target: Each enemy in the burst

Attack: Charisma vs. Reflex

Hit: 3d8 + Charisma modifier necrotic damage, and the target is slowed (save ends).

Miss: Half damage, and the target is slowed (save ends).

Effect: The burst creates a zone that lasts until the end of the encounter. Any creature that tries to leave the zone must roll a d20. On a 10 or higher, it cannot leave the zone during its current turn and its movement ends. Any creature that ends its turn in the zone takes 10 necrotic damage.

Published in Heroes of Shadow, page(s) 73.