Battle Standard of ShadowLevel 17 Uncommon

This silky black flag becomes insubstantial as you raise it, a field of shadow spreading out from it to cover the battlefield.

Wondrous Item        65,000 gp

Power (Illusion, Zone) ✦ Encounter (Standard Action)

When you plant the battle standard in your space or an adjacent square, it creates a zone of shadow in a close burst 10. Within the zone, all bright light is reduced to dim light, and you and your allies gain low-light vision and a +2 power bonus to Stealth checks.

This effect lasts until the end of the encounter or until the battle standard is removed from the ground. Any character in or adjacent to a battle standard's square can remove it from the ground as a standard action.

Published in Adventurer's Vault, page(s) 179.