Water talisman

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

In-game examine text: "A mysterious power emanates from the talisman..."

It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 2 gp, and item ID 1444.

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Water Talisman shows an active flip setup with a margin of +12 gp and 24,638 trades over the last 24 hours.

At the buy limit of 11,000 every four hours, max profit per cycle is about 132.0k gp — high margin with healthy liquidity.