Although Li Pin's understanding of martial arts and strength doesn't quite reach the exaggerated level of "one proof, forever valid", through his minutely accurate understanding of his own condition, each punch that exerts Astral Energy leaves behind a memory in his body, effectively amounting to him mastering this ability.
Next, he just needs to use his innate "talent" to reproduce this feeling and deliver the second, third, and even tenth and thirtieth punches imbued with Astral Energy. It's only a matter of time.
Under such circumstances, it can be said that he has already mastered Astral Energy.
Although the speed was faster than he expected, it wasn't unreasonable.
In the past, he never had top-tier heritage such as the Five Elements Body Refining Technique aimed directly at Astral Cultivation. He completely relied on his own gradual exploration.
But now...