The simplest way to improve the technique of Spirit Birth on the Sword was generally nothing more than focusing wholeheartedly on using swordsmanship against enemies.
In other words, if he wished to improve his swordsmanship, then every enemy Zhang Yu encountered from now on had to be dealt with using sword techniques alone, without employing any other means. Only then could he gain insights amid battles of life and death.
Zhang Yu had seen quite a few cultivators who practiced Spirit Birth on the Sword in the past. Some had even mastered several different sword arts on their own. Yet almost none had truly reached the pinnacle through their own cultivation.
For the higher one went, the less likely one was to see such people.
Once cultivators reached a certain realm, they possessed all manner of methods. Swordsmanship alone could not solve every problem. After all, times were no longer what they used to be.
In the early days of Ancient Xia and Divine Xia, one might still have been able to roam unhindered with a single flying sword. But by the later period of Divine Xia and in Celestial Xia, more and more Daoist arts, divine abilities, and combat artifacts had appeared. Flying swords were not easily restrained, yet there would always be methods tailored to target them. Thus, most people fell by the wayside halfway through.
Not to mention that they were now facing Origin Xia. Even if he were willing to take this road, he was destined not to travel far upon it.
Yet there was a shortcut here.
He could cast a wisp of his qi-intent into different worldly domains, veil his former memories and awareness, and seek the Dao through swordsmanship alone. When that qi-intent returned, he could obtain new insights from it, which would