Musashi created and refined a two-sword Kenjutsu technique called ( NITEN ICHI RYŪ ) 2 heavens as one. Musashi states that his first successful duel was at the age of 13, Musashi fought 62 duels to the death and won all of them. In the final years of his life he authored 2 books , THE BOOK OF FIVE RINGS ( Strategy ) and
DOKKÕDÕ ( The path of Aloneness ).
