True Dragon Bone Marrow!

As soon as these words were spoken, Xu Hei, who had been sitting and watching the show, instantly perked up, his eyes flashing with a sharp light.

His Nirvana Sacred Dragon Codex urgently required dragon clan blood, and true dragon bone marrow was undoubtedly the best choice!

Xinghai's expression changed dramatically, and he shouted angrily, "Fellow Daoist Xu, don't listen to this scoundrel's nonsense. Where would I get true dragon bone marrow?"