Saibo Saibo no mi: or the Cell Cell no mi is a rare and powerful Paramica devil fruit that allows the user to manipulate there own cells. It was eaten by "Mad bomber" Kraku. Strengths: The Saibo Saibo no mi biggest strength is its regenerative powers. The Saibo Saibo can make ones nearly invincible as he or She can recover from most damage quite easily. One also is immune to most if not all diseases.