Chapter 579: I underestimated you.

Hearing Atius Xiao's words, the old man narrowed his eyes suddenly, with a cold look in his eyes, and stared at Atius Xiao intently.
The next moment, he attacked without warning, with his five fingers curled inward, like extremely sharp claws, and grabbed Atius Xiao's neck fiercely.
After this full-strength attack, Atius Xiao instantly knew the old man's true strength.
The fifth level of Star Source Realm!
Atius Xiao is currently only at the first level of the Star Source Realm, and...