Bone shards clatter within this black-beaded rattle, making your necrotic attacks more potent.
Wondrous Item 3,400 gp
Power (Necrotic) Daily (Minor Action)
You and all allies within 10 squares of you gain a +1 power bonus to attack rolls and damage rolls with powers that have the necrotic keyword. This effect lasts until the end of your next turn. Sustain minor.
Published in Adventurer's Vault, page(s) 169.