Throw this at your enemies to set them on fire!
These skill unlocks grant or improve Fire Oil:
Fire Oil deals Fire damage. 7 creatures across Ashenfall are weak to it — bring it when hunting these targets.
Watch out: 18 creatures resist Fire damage, so switch to a different element before fighting them.
Fire Oil is a Thrown Weapon in RuneScape: Dragonwilds, one of 1394 items in the current game build. In combat it deals Fire damage, effective against 7 creatures in the bestiary. It weighs 0.5 kg and stacks up to 999 per inventory slot. It is tied to the Ranged skill.