Oil of Combustion

Oil of Combustion is a rare type of Coating that can briefly coat a weapon in a potent poison to deal extra fire damage.

'Look, it's perfectly simple. You just coat the person in the oil, like so. Then you strike a match, like s- oh bugger.' - Bufort Iggles, The Unfortunate

Properties

• Potions
• Single Use
• Rarity: Rare
•  Weight: 0.1 kg / 0.2 lb
• Price: 30 gp

Effect

 Bonus action

• Coat a weapon in oil for Duration: 10 turns
• On hit, a coated weapon covers its target in oil for Duration: 2 turns
• Oil covered targets immolate upon taking fire damage, dealing
  3d6 (3~18) Fire
  damage to everything and everyone within a 10ft radius