C276 His Strength Has Increased Greatly and His Combat Strength Has Continued to Show Itself

"System, use advanced skill to upgrade!" Mo Yi thought to himself.

'Ding... Please choose your skill! '

"Infinite Soul Spell."

'Ding... Beginning upgrade. '

Following Mo Yi's response, the system's voice faded, and the information behind the Infinite Soul Spell quickly flashed across Mo Yi's mind. Everything seemed to have become clear to him