A drug refined from krimsonite, a crystal found in The Mines of Madness. The drug causes euphoria and wanton aggression in the user.

It has the following stats:

• +3 to STR and CON for 3 hours
• +2 morale bonus to AC for 3 hours
• +10 temporary HP for 3 hours
• -4 to INT, WIS and CHA for four hours after the drug has worn off.
• Constant fatigue for two weeks afterwards, unless the drug is taken again. Only half hit dice are regained from a long rest, cannot hustle and disadvantage on CON saves.