Alchemical Flame (putter)

Alchemical Flame (putter) - very dangerous device!
Contains 3 flammable loads.
Releases fire in a 15feet cone. Each creature in that area must make a DC 12 Dexterity saving throw, taking 10 (3d6) fire damage on a failed saving throw, or half as much damage on a successful one. A careful user must make a DC 12 Intelligence saving throw on a failed saving throw that takes the same from the fire device.

Notes: Vulnerability: Fire