At the sight of the Soul-Locking Chain, a flicker of shock appeared on Lu Boyue's usually unruffled face.
"He actually has such profound attainments in soul techniques as well, and judging by the power of this soul art, it is certainly no ordinary technique. How did he manage this!!!"
A tremendous storm had already risen in Lu Boyue's heart. He could be said to have watched Mu Yuyi grow up. When Mu Yuyi first came to Heavenly Mystery Academy, his strength had been extremely weak. Yet in just over seven years, he had reached the Deity Transformation stage. His cultivation speed had been extraordinarily fast, but Lu Boyue had never known that Mu Yuyi also cultivated soul-type techniques—and had even reached the point where his soul could leave his body.
Swoosh swoosh swoosh...
Dozens of Soul-Locking Chains danced through the sky and swiftly collided with the incoming black fireballs. The chains immediately displayed their most fundamental ability, rapidly extending and tightly binding the black fireballs.
However, the instant Mu Yuyi trapped the fireball, his expression changed sharply. The flames burning on the black fireball radiated an incomparably searing aura as they began madly scorching the Soul-Locking Chains.
"What terrifying power!" Mu Yuyi's face paled slightly. His soul cultivation had already reached the mid-Void Refinement stage. Coupled with the Soul Refining Art of the Soul Refining Sect, the Soul-Locking Chains were incredibly powerful, ranking among the top five of his many trump cards. Yet when facing this black fireball, he felt increasingly unable to hold on.
"What! It didn't burn through them!!"
Lu Boyue's expression changed as he stared in disbelief at the chains coiled around his black fireball. If it had been an ordinary soul technique, his black fireball could have instantly burned through the chains and severely wounded the