Mother Spider's personality is cruel, unfeeling, and murderous towards humans She ruthless controlled dozens of Demon Slayers through her threads and manipulated them into killing each other. Mother Spider was also rather sadistic and callous, uncaring that her manipulation brought them prolonged suffering. Mother Spider uses her blood demon art threads in a unique manner; by utilizing them to manipulate bodies like puppets. has milky white skin, long eyelashes, voluptuous body and teal colored.