C794 Assessment
Whether it was Gongyang Chi or Dīpankara Buddha who stood behind Lin Xiao, they were all Peak of Semi-Sage warriors. Their strength wasn't any weaker than the eight Asura Kings and the twelve zodiacs of the Murong family. If Zhou Yuan could win over such an expert, he certainly wouldn't refuse.
Furthermore, they all had a grudge against the Asura Cult and Murong family. As the saying goes