C1047 The Official Start of Cultivation.
"Actually, many martial arts require you to start from a young age, but in my place, it doesn't matter what age you are, because the wushu emphasizes Qi and blood. As long as there is a tangible substance, there is a way to replenish it."
"Even if it's an old man in his seventies, he can replenish whatever he needs. If his Qi and blood are low, he can replenish it. If his vitality is poor
