Opening sinister chests

⚠ 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.

The sinister chest, located in the Yanille Agility dungeon, always rewards nine noted herbs when opened: three grimy ranarr weed, two grimy harralander, and one each of grimy torstol, grimy irit leaf, grimy avantoe and grimy kwuarm. Opening…