You shower your enemies with a host of projectiles.

Encounter   ✦     Martial, Weapon
Standard Action      Close blast 5

Requirement: You must be wielding a crossbow, a light thrown weapon, or a sling.

Target: Each enemy you can see in the blast

Attack: Dexterity vs. AC

Hit: 1[W] + Dexterity modifier damage.

Update (10/3/2011)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 121, Class Compendium.