What does Roderick tell the narrator about his own death?

Roderick Usher confides in the narrator that he believes his death is imminent and is deeply intertwined with the fate of his twin sister, Madeline. He expresses a sense of dread and foreboding, suggesting that their lives are connected by a mysterious bond. Roderick also hints at a family curse that has plagued the Usher lineage, further amplifying his fears about their impending doom.