Tang Xian was actually a bit nervous.
Previously, when facing Bai Shuang, he thought he was about to get the answers to his questions and became very tense.
But Bai Shuang was unpredictable and he could do nothing. Reluctantly, he had to give up.
However, the Undying Xuan Bird was different. Bai Shuang clearly didn't want to talk, so she gave him the Nether Phoenix feather. This was tantamount to indicating that the Undying Xuan Bird might know more secrets.
He vaguely remembered the Ancient Long-Eared Ape mentioning the Beast Codex, which the Xuan Bird might have seen.
"Tell me everything you know about the six great divine beasts, and don't hide anything. As for the whereabouts of this feather, in exchange, I will tell you where I got it from,"
Based on what the Xuan Bird had just said, Tang Xian had a vague guess about the relationship between Bai Shuang and the Xuan Bird.