Brakmarian Oil (5e Equipment)
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Wondrous item, Very Rare (requires attunement)
This murky solution of velvet hue is known by alchemists as a volatile formula that took the life of one William Brak upon its discovery. Those afflicted by brakmars touch are unfortunate indeed. Brakmarian Oil can burn for up to an hour before it starts to cool.
Boom. After being exposed to oxygen, it violently gurgles and explodes in a 10 ft. radius of black snakes of smoldering tar in all directions. All creatures in the radius must make a DC 15 Dexterity saving throw to remain unaffected.
Burn. When the afflicted start their turn, they take 2d8 fire damage as the tar gurgles and bites into their flesh.