You create a battering storm of rune-scribed black iron plates around your foe. As they whirl and strike, they quickly assemble into a coffinlike prison of iron and shadow.

Daily   ✦     Arcane, Implement
Standard Action      Ranged 10

Target: One creature

Attack: Constitution vs. Reflex

Hit: 5d10 + Constitution modifier damage, and the target is entombed (save ends). An entombed target is immobilized and lacks line of sight and line of effect to any space other than its own. All creatures other than you cannot gain line of sight or line of effect to the target.

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

Published in Player's Handbook, page(s) 139, Class Compendium.