The So-Called Heart Source

What is the source of the heart? It is the standard for measuring the combat effectiveness of martial arts monks. It is the key to distinguishing between metal, wood, water, fire, earth, light and darkness The gold master fights, the wood master binds, the water master freezes, the fire master invades, the earth master builds, the light master heals, and the dark master devours The protagonist is still Gu Rulong. I like this name. Ancient is like the golden dragon swaying in the wind on the banner.