- For an alternative method, see crafting cosmic runes.
Lost City quest
Wilderness Tasks recommended
|2,202,100 per hour|
8880 Cosmic rune (2,308,800)
At realistic speed, you can do about 60 trips to the cosmic altar via the Abyss per hour, using the amulet of glory to teleport back to Edgeville, and using the tool belt items to mine through the rocks in the abyss. You need to recharge your pouches every 7 to 9 trips, to prevent the giant pouch from degrading. You will also need to recharge your amulet of glory if it runs out of charges, or you can buy another one at the Grand Exchange.
Using the small through giant Runecrafting pouches, you can hold up to 54 essence per trip, resulting in a profit of 26,892 coins per trip. A massive pouch 17 more net runes, but requires 1,000 Runespan points and degrades into dust after 42 uses. In addition, the Infinity ethereal outfit can store 12 essence for a profit of 2,560,705.5 coins per hour.
The Mage of Zamorak is located low-level wilderness, near the source of the River Lum. This is a fairly safe area, but there might be PKers so it is advised not to take expensive items on the trips to the abyss. The best setup would be cheap but protective gear. Inside the abyss, the creatures there will be aggressive and might do fair amounts of damage. See Abyss#Strategy for more information on how to navigate the abyss. Once inside, enter the cosmic rift and craft the essence in your inventory and your pouches. Teleport back to Edgeville with an amulet of glory and repeat.
You can maximise the speed of your runs by creating 2 bank presets and binding them to the numbers 1 and 2. The first bank preset should have your backpack containing your 4 pouches and the remaining spaces filled with pure essence. Your second preset should be the same, but also include your equipment with a fully charged amulet of glory and any other equipment you want to bring with you. You will need 13 amulet of glory and preferably access to the Heroes' Guild to recharge them in order for this to work.
First, open your bank and right click each of your pouches to fill them, then load your first bank preset. Complete your run to the abyss and repeat this until your amulet is out of charge. Now, again fill your pouches but this time load your second preset, supplying you with a fresh, fully charged amulet of glory. This will reduce banking times and therefore make it possible for you to create more cosmic runes per hour.
Completing the Wilderness Tasks is also helpful. All versions of the Wilderness sword provide infinite free teleports to Edgeville, and the Wilderness sword 3 and above give a chance for the Mage of Zamorak to teleport the player directly to the centre of the Abyss, thus saving time and further increasing the profit per hour.
With lesser familiars, you'll be reduced to 3960 or 3660 essence respectively. Abyssal lurker: 1,961,025 Abyssal parasite: 1,817,721
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