Zhang Yang was fervently trying to recruit Qingxu, attempting to bring him over to their side.
He, Situ Mingyue, and a tiger were still somewhat weak in strength on the Tianjiao Battlefield.
As for Qingxu's abilities... as a high-IQ tech expert, just looking at the armor he wore, one could tell his capabilities. Light, thin, resilient, with strong defensive abilities... and this was made from ordinary materials.
What if he had access to refining materials?
