Arsenic is a silver-grey rock which is soluble in water when powdered and is incredibly toxic. Owing to its use by the ruling class to murder one another and its potency and discreetness, arsenic has been called the "poison of kings" and the "king of poisons".
Arsenic
Poison
Attributes
Unorganized
Weight
1lb
Effect
A creature subjected to this poison must make a DC 10 Constitution saving throw. On a failed save, it takes 1d12 Poison damage each hour and is poisoned for 24 hours. On a successful save, the creature takes 1d6 damage and isn't poisoned.