Weak weapon poison

To create the Weak weapon poison, you must get a Clean sagewort and Firebreath whiskey, a Vial, and have level 21 Herblore. You gain 61 experience when making this potion.

Applying this potion would make your attacks have a chance of poisoning the target for 1 minute. When suffering from weak weapon poison, enemies will take up to 55 damage every 10 seconds, gradually reducing until it wears off.