The strongest sword

"This kid actually also mastered the secret technique?" Dongyang Palace Master was shocked.
The secret technique is the most powerful means to bring the power of origin to its extreme. As soon as Owen Su used it, he immediately felt the power of origin that was mobilized in an instant.
But you have to know that in the primitive world, it is extremely difficult to find a secret skill that suits you.
Like him, it took him a long time to find a sword-fighting secret technique that suited him,...