Saito Dosan was mean enough to be considered a viper, and that's during an era of ceaseless warfare between rival feudal daimyo. But for all his ruthlessness, the viper of Mino would still find himself among even more infamous company... when he became the father-in-law of Oda Nobunaga!
Condition three, the viper would cut off his 
topknot, and enter the Buddhist priesthood.
Tercera: la víbora se cortaría
el cabello y se volvería un monje.
Condição três, a víbora deveria
cortar seu coque e virar monge.