Crafting cosmic runes

⚠ 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.

Depending on the method of travel, a round trip to the Cosmic Altar takes about a minute and a half to two minutes, including banking and filling up essence pouches. To start out, players should withdraw a full inventory's worth of pure ess…