Jin Wuya had no time to think too deeply about Qin Huang's actions, which were somewhat unlike his usual manner. Perhaps Jin Wuya simply cared greatly about how others saw him. Had Qin Huang acted this way before, he might have endured it, since he truly could not defeat the other man.
But now that Jin Wuya had recovered somewhat from his shock, he finally realized that times had changed. His strength had risen so greatly, and he was in need of someone to test it on. Even if he had yet to comprehend Law Power to the level of rules and would be suppressed by Qin Huang's Law Power, he might still be able to make up for it with his vastly enhanced physical strength and the dozens of different Supernatural Powers and Techniques inherited through the dragon blood!
With that thought, Jin Wuya forcibly suppressed the apprehension in his heart and decided to give Qin Huang one last "chance," hoping the other man would treat him more politely... But Qin Huang was clearly in an extremely serious state and had not noticed any of this. Since Jin Wuya had chosen to resist, Qin Huang did not mind making him quiet down as he always had, lest he truly interfere with your breakthrough...
After completely converting his dragon blood, Jin Wuya had undergone earth-shaking changes in every respect aside from still being a dragon. Correspondingly, his strength had indeed increased immensely. The hardness of his true dragon body's Dragon Scales alone, combined with the Blood Mad Sky Cover inherited from the Prison Suppressing Mad Dragon, meant that attacks once capable of dealing Jin Wuya fatal damage could now be blocked by him.
Relying on the formidable dual defenses of his body and artifacts, even Qin Huang's Gu Gang Spear