The Level 7 Bone Refining Stage young man didn't clearly see Zuo Feng secretly put the confinement lock into his Storage Crystal, but he noticed that after Zuo Feng made those strange movements, his aura suddenly became apparent.
Just now, when Zuo Feng was dodging, there wasn't much circulation of Spiritual Energy on his body, so the young man could only roughly guess that Zuo Feng was a small Martial Artist in the early stage of the Bone Refining Stage. But now, Zuo Feng's aura was completely exposed, and he could see that the opponent only had the strength of Level 1 in the Bone Refining Stage.
This surprised him even more amidst his delight. The opponent definitely had more than one treasure on their body. Treasures that could conceal one's own aura were extremely rare, and this teenager, with the strength of only Level 1 Bone Refining Stage, managed to kill the Blue Python that gave the five of them such a headache. He must have a treasure with strong offensive power too.
