 The Kraken attacks anyone marked with the Black Spot, which is delivered to its victims by "Flying Dutchman" crewmen and can only be removed by its captain, Davy Jones.According to the writers' commentary on the "Dead Man's Chest" DVD, those marked with the Black Spot are taken by the Kraken to Davy Jones' Locker, where they must experience their worst fears for eternity.The Kraken attacks by stealthily approaching a ship, slithering its tentacles up the hull's sides, and gripping tightly, yanking it underwater.