Black robe

Black Robe is a free-to-play item on the OSRS Grand Exchange in the other category.

In-game examine text: "I can do magic better in this."

It has a Grand Exchange buy limit of 125 every four hours, a high alchemy value of 7 gp, and item ID 581.

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Black Robe currently has a flip margin of −15 gp, which isn't profitable to flip right now despite 1,406 trades over the last 24 hours.

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