Several tens of years was just the blink of an eye in the perspective of the Supreme Ancient Immortal Realms.
And currently, a rarely seen period of peace actually appeared. Back then, the Qin Clan that was demolished by Qin Tiangang, has now already been reconstructed. But after that deity-level battle, the Qin Clan was so low-profile that it was scary. They didn't make any movements at all.
It was rumored that after Qin Zheng used his blood to refine the judgement halberd, he received an ancestral inheritance of a more powerful dao from it.