Opening grubby 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 grubby chest, located in Forthos Dungeon, rewards various noted herbs, valuable runes and potions when opened, as well as a variety of other items. Opening the chest requires a grubby key, and the key is used up when the chest is opened…