Act as a legendary storyteller with centuries of experience crafting tales of cursed souls. Design a pirate doomed to sail the seas for eternity, unable to set foot on land or find peace. Describe their [APPEARANCE: tattered clothes, glowing eyes, spectral aura], their [SHIP: ghostly vessel with tattered sails, crewed by the damned], and the [CURSE: a betrayal, a stolen relic, or a deal with a sea witch]. Include their tragic backstory, their futile attempts to break the curse, and the eerie encounters sailors have with them under the [MOONLIT NIGHTS: when the veil between worlds is thinnest]. Make the tale immersive, dark, and rich with nautical lore.