Old School RuneScape Wiki
Collecting swamp tar from the Lady Zay





Lunar Diplomacy started





Profit Experience gained
21,600 per hour


Inputs Outputs


1,800 x Swamp tar (21,600)

The Lady Zay has many barrels of swamp tar on its decks, which can be looted. Start out on Lunar Isle, and run to the docks and board the Lady Zay. Go down the stairs in the southern end of the ship, and you'll see three barrels of swamp tar. Go to one of them and start clicking on it until it's empty. Do the same for the other two barrels – the amount of tar varies between 1 and at least 15, but it'll average about three per barrel. Head back to the first barrel you looted, waiting for the tar to spawn again, and start the cycle over again. It takes about 22 seconds for the tar to respawn and is not dependent on the population of the world, so on average you'll get up to 1800 tar per hour with full concentration.

The tar of course stacks, so you'll never have to bank. When you're finished, go to the Grand Exchange and sell the swamp tar, which shouldn't be too difficult as it's a high-volume item.

Due to constantly changing prices on the Grand Exchange, some information in this article may or may not be current.
It is strongly recommended to check the live prices on the Grand Exchange before making large investments in any method.

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