Spectre Lantern

Carried Item, Uncommon, Essence 15

Created by a paranoid mage, this lantern reveals that which is invisible to the naked eye. Once per day, for 10 minutes, the lantern can be activated, casting a dull purple glow across a 30 ft radius. In this glow, Unseen creatures are revealed. In addition, it reveals where planes blend and portals would be easier to create or already exist.