"On the riverbank, a group of fishermen gathers, sharing tales around a crackling campfire. Among them, an old fisherman, his weathered face etched with the passage of time, begins to speak of the legendary 'Thick Shell'. As the night progresses, the lore of the 'Thick Shell' intertwines with the crackling of the campfire and the gentle sound of the waves, casting a spell of mystery and magic along the banks of the Parnaíba delta. Write a haunting narrative exploring the darker undertones lurking beneath the surface of these tales, as whispers of unseen dangers and ominous omens permeate the air, unsettling the once jovial atmosphere and leaving the fishermen questioning the true nature of the legendary 'Thick Shell'."