Revenant ether

Revenant Ether is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Ethereal essence of the revenants."

It has a Grand Exchange buy limit of 30,000 every four hours, a high alchemy value of 150 gp, and item ID 21820.

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Revenant Ether currently has a flip margin of −3 gp, which isn't profitable to flip right now despite 59,429,406 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.