Unidentified liquid

Unidentified liquid is a members-only quest item which, after being identified as nitroglycerin, is used in the Digsite Quest to make chemical compound along with ammonium nitrate, ground charcoal, and arcenia root to blow up bricks blocking the path below the digsite. It is obtained by using a vial on the barrel with a skull mark on it near the panning point, and can brought to archeology expert to learn that it's nitroglycerin. It is also used for people in Dharok equipment to lower health, so they can hit higher.

Warning: Do NOT drop the liquid, or you will be hit for 25 damage. Instead, empty the vial, then drop the vial to discard it safely. Dropping the liquid you will say: "Ow! The liquid exploded!"