Oil Flask
A flask of oil fuels a lantern for four hours (24 turns). In addition to fueling lanterns, oil can be used as a weapon:
Throwing: An oil flask may be lit on fire and thrown.
Pools: Oil that is poured on the ground and lit covers a diameter of 3 feet and burns for 1 turn, inflicting damage on any character or monster moving through the pool.
Immunity: burning oil does not harm monsters that have a natural flame attack.
Dmg is burning and used as a weapon: 1d8
Range if used as a weapon: 5′-10′, 11′-30′, 31′-50′
Qualities: Missile, Splash Weapon
Cost: 2gp per flask.