The dark fluid within this small ceramic bottle glows dimly in torchlight.
Alchemical Item: OilFormula Cost: 70 gp
Key Skill: Arcana, Dungeoneering, or ThieveryTime: 30 min.
Utility Power Consumable (Standard Action)
Effect: You apply the ink to an area no larger than 5 square feet on a solid object. That area emits dim light that is visible only in lamplight, torchlight, or some other light shed by an open flame. The light lasts 24 hours.
Published in Into the Unknown: The Dungeon Survival Handbook, page(s) 117.