A painting by the artist Utagawa Kuniyoshi that depicts the mythical status that Musashi acquired by showing him on the back of a whale./Photo: Public Domain – Wikimedia Commons It was at the age of ...

Musashi’s first duel was against Arima Kihei. Musashi accepted a public challenge from Kihei and beat him to death with a bo staff. That was when Musashi was only 13.