With the end of the Sengoku period, there were many skilled warriors who were trying to make their names in a newly peaceful era... which made them perfect cannon fodder for the cat who would become unrivalled under the sun, Miyamoto Musashi!
The masters of different schools of 
swordplay competed with each other.
los maestros de distintas escuelas
de esgrima competían entre ellos.
Mestres de diferentes técnicas
de espada competiam entre si.