Blighted ancient ice sack

Blighted Ancient Ice Sack is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Enough power for any Ice spell, blighted so it can be used only in the Wilderness."

It has a Grand Exchange buy limit of 15,000 every four hours, a high alchemy value of 21 gp, and item ID 24607.

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Blighted Ancient Ice Sack shows an active flip setup with a margin of +4 gp and 4,030,011 trades over the last 24 hours.

At the buy limit of 15,000 every four hours, max profit per cycle is about 60.0k gp — high margin with healthy liquidity.