Making RS gold by simply crafting cosmic runes
The cosmic runes are usually used in enchanting spells. The enchanting spells can be used to enchant jewelry such as rings, amulets, etc, in order to put some effects and activated once worn by players. Due to their uses, it can be high demand in the market and players can make RS gold by selling them in the Grand Exchange.
To start making cosmic runes, you need to go at the Fight Caves bank in TzHaar City. Unload pure essence and store it in your pouches, then take out essence for your inventory. Go to the north and use the fairy ring to instantly teleport to Zanaris. From there on, run south to the “agility shortcut”. Go further south and enter the mysterious ruins, and then go directly to the altar. You can start crafting your essence in your inventory and pouche. Once you’re finished, teleport back to the Fight Caves with your TokKul-Zo. You can craft about 2700 essence/hr, but if you don’t have the giant pouch, that will drop to about 2150. With this amount you can make more Rs gold.