But Kangetsu knew which people he could kill and which he could not!
To ensure that Kangetsu's missions had not a single flaw, Nara Isshin gathered ten wise men from the Nara Clan to find opponents for him!
Thus, over those seven years, everyone Kangetsu killed had been roughly equal to him in strength, yet certain to lose against his bizarre ninjutsu!
Their margin of error was only 1%, allowing Kangetsu to kill without worry while keeping his ego from swelling too much!
A long string of victories would inevitably lead to defeat! But Kangetsu knew what he needed now: combat experience, an aura of slaughter, and opportunities to grow stronger!
So Kangetsu would not foolishly attempt so-called challenges against opponents above his level. He would only fight and kill steadily, one step at a time!
And so nine years had passed. During those nine years, Kangetsu had encountered countless dangers, but he had always emerged safely. His steady, methodical approach deserved much of the credit!
Over those seven years, Kangetsu had undergone a transformation!
After nine years of slaughter, Kangetsu's physique had reached the late stage of hidden force through the Killing Fist Technique! Though he had advanced through only four stages, those four stages had allowed him to resolve his shortage of chakra!
Kangetsu had always been troubled by his powerful spiritual energy. If he was careless while extracting chakra from his body, that powerful spiritual energy could cause his entire body to collapse! Now he had a strong physique, though he still had to be careful when extracting chakra. After all, his physical strength remained far inferior to his powerful spiritual energy!
Still, the amount of chakra he could now extract from his body had reached the early Jonin level! This so-called early Jonin level was part