Unholy blessing

Unholy Blessing is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "The Dark Lord will rise again with his servant's aid, greater and more terrible than ever he was."

It has a Grand Exchange buy limit of 5 every four hours, a high alchemy value of 48 gp, and item ID 20223.

View on OSRS Wiki

Unholy Blessing shows an active flip setup with a margin of +238 gp and 1,144 trades over the last 24 hours.

At the buy limit of 5 every four hours, max profit per cycle is about 1.2k gp — high margin with healthy liquidity.