The Great, Grand Master Keshinsu. He pioneered the art of Shindo-ken, After mastering countless forms of martial arts and Chi, Ki, spirit energy, chakra-paths, Nen, Reiryoku, Raeshi, Haki, Reiastu, and Breathing techniques, He developed the style known as Shindo-ken which utilizes multiple forms of energy and technique, that allows him to vibrate his fist and feet at Quantum Speeds that when seen looks like he has multiple appendages. This force is so powerful if he were to strike the Earth with 0.03% of its energy output he would extirpate the planet!!!