You shape the flow of sound, containing it and creating an area of silence.

Daily   ✦     Arcane
Minor Action      Ranged 10

Target: One ally

Effect: Until the end of your next turn, the target gains a +5 power bonus to Stealth checks and doesn't take a penalty to Stealth checks for moving more than 2 squares or running.

Sustain Minor: The effect persists if the target is within range.

Published in Player's Handbook 2, page(s) 70.