What's the rarest curse in Sea of Thieves?

Have you ever pondered over the depths of the Sea of Thieves, wondering what lurks beneath the waves and above the clouds of mystery? One of the most intriguing aspects of this vast and treacherous expanse is the curses that can befall a pirate's fortune. But have you ever wondered, what is the rarest curse among them all? Is it the cursed chest of sorrow, that brings despair and sorrow to those who lay eyes upon it? Or could it be the ashen curse, that turns a pirate's skin to ash and their eyes to fire, marking them as one of the forsaken? Perhaps it's the elusive shrouded ghost curse, a curse that only the bravest and most cunning of pirates have ever dared to seek. But what truly sets the rarest curse apart from the rest? Is it the rarity of its appearance, the severity of its effects, or the allure of its power that draws pirates to its grasp? Join me as we delve deeper into the mysteries of the Sea of Thieves, and uncover the truth behind the rarest curse of all.