Your dagger springs forward, plunging deep into your foe.

Daily   ✦     Martial, Weapon
Standard Action      Melee weapon

Requirement: You must be wielding a dagger.

Target: One creature

Attack: Dexterity vs. AC

Hit: 4[W] + Dexterity modifier damage, and ongoing 10 damage (save ends). On a critical hit, ongoing 20 damage (save ends).

Miss: 2[W] + Dexterity modifier damage.

Update (10/4/2011)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 127, Class Compendium.