The Witcher Oils - Brown Oil
Brown Oil Effects: Brown Oil accelerates bleeding; creatures lacking a circulatory system are immune to its effects.

Preparation: The oil is made by mixing ingredients providing a total of one measure each of rebis, aether and quebrith, and two measures of vermilion; top-quality grease must be used as base.

Duration: Long

Curse your enemy bearing the name of Coram Agh Ter, the Lionhead Spider, and dip your blade in oil. An enemy wounded with the dagger will bleed to death even from a slight wound.