Making weapon poison(++)

⚠ This profit comes from buying, processing, and reselling on the Grand Exchange. It assumes large GE volume and can be inflated or volatile — treat it as a theoretical ceiling.

Weapon poison(++) is made by using cave nightshade on a vial of coconut milk and poison ivy berries. Cave nightshade only spawns inside the Skavid caves and is not tradeable, so the spawn time of the nightshade is the limiting factor in how…