"There's a time discrepancy here, there must be some misunderstanding, the teacher can't be the White Emperor, nor can he be Qiangliang."
After Dongqi was unified, due to the peace in the world and the concentration of resources by the Eastern Qi Royal Family on the Six Sects, the realms of cultivators were continuously broken through, until they stalled at Mahayana at the end of Dongqi.
This was not achieved overnight, but through a very long process, driven by countless cultivators' gradual deductions, reaching where it is today.
Human Race, unlike the Demon Race, doesn't have longevity. By a stroke of fortune, the three Demon Venerables have managed to live until now, but Human Race cultivators couldn't.
Considering the time, if Zhang Ze was a Golden Core back then, even if he cultivated to the limit of cultivators at that time, he wouldn't have lived to see the first collapse of White Emperor City.
