Potion of Shadow's EssenceLevel 17 Uncommon

The liquid in this vial is black and viscous, absorbing the light around it.

Consumable: Potion        2,600 gp

Utility Power ✦ Consumable (Minor Action)

Effect: You drink the potion. Until the end of the encounter, you gain darkvision and are insubstantial and phasing, but you are weakened. You can end this effect as a minor action.

Published in Mordenkainen's Magnificent Emporium, page(s) 97.