A century
Given the circumstances, Bai Zemin did not linger too long over the records he had just absorbed. For starters, he was not in a comfortable and safe place so he did not have the time to stop and surf through his soul records to understand what he had just gained and what he didn't.
Not to mention the fact that Lilith's absence still weighed like a ten thousand-ton mountain on his heart.
The only thing that made Bai Zemin satisfied and happy was the fact that his cracked soul had recovered considerably after he evolved to the Third Order. He estimated that the time needed to get back to his best had been shortened from 30 days to 15 days at most.