"Could this fist technique be mediocre in power?" Xu Yang wondered.
A genuine Heavenly Origin Martial Art should not have been weak, yet Song Yushao had never used this fist technique during their deadly battle.
But if its power was merely average, it would not have been kept in the secret chamber alongside the Canglang Sword Art and Pure Yang Art.
He had never heard of the Black Tortoise Mountain-Suppressing Fist, but he knew that the Pure Yang Art and Canglang Sword Art were the Song Family's strongest secret arts. Only core members of the lineage were allowed to learn them.
With those doubts in mind, he continued reading the manual.
On its second page, he found an illustration of a Black Tortoise bearing a mountain on its back, imbued with the aura of the Primordial Wilderness.
"The Black Tortoise bears a mountain; ten thousand peaks return to their source. One fist suppresses the earth; the four seas lie without a ripple."
"To begin practicing this art, one must first comprehend the image of the Black Tortoise Bearing a Mountain. Those without powerful bodies must not practice it, or they risk bodily collapse."
Practicing it without a strong enough body could make that body collapse?
Xu Yang's heart tightened.
It was probably not weak at all, but exceptionally powerful. Song Yushao likely had not qualified to practice it.
Song Yushao had spent years immersed in the Heavenly Origin Realm, but his body had been weaker than Xu Yang's, even though Xu Yang had only just broken through.
Moreover, one had to comprehend its image just to begin. How could an ordinary person comprehend an image before even gaining an initial grasp of the art?
He tried circulating the fist technique according to its opening instructions, only to feel a terrifying