C68 Ventral auricula

"Guo Yunzhen divided martial arts into 'Bright Force', 'Dark Force', and 'Dissolving Force'. However, in the history, only one person out of ten thousand was able to reach the 'Transformation Force'. Only a few great grandmasters were acknowledged by everyone."

"As for Sun Lutang, he is the only person recognized by all the experts, and the only one who has surpassed Strength Conversion