There are countless martial arts techniques in this world, each with its own unique properties. Some even have multiple attributes, such as the commonly seen Five Elements (metal, wood, water, fire, earth), or even some rare ones like the natural cycles, dual principles of Yin and Yang.
Among the three elders of the Du clan, the one who has done the most research on martial arts is Du Wei, the second elder. So, he managed to deduce the key to solving the Du's infertility from just a few words from Tang Luo, even being self-satisfied enough to question him about it.
However, he seems to have forgotten: if anyone could solve it simply using words, why would Tang Luo demand allegiance from the Du family? That would be very foolish of him.
"Clap, clap, clap..."