Lantern of Revelation
Light from this lantern reveals even the most well-hidden foes.
Wondrous Item 45,000 gp
This lantern sheds light in a 10-square radius as normal, but it never needs lighting or refilling.
Power Daily (Minor Action)
This power creates a close burst 10 that coats all creatures in the area with glowing motes of light (save ends). Affected creatures gain no benefit from concealment or invisibility.
Published in Adventurer's Vault, page(s) 174.