Upset Eagle?

Hearing Lin Wu's words, the Silver Beak Sky Soar Eagle was stunned to say the least. She had a hunch that the reason for the Vermillion bird not appearing was something mysterious, but now hearing this confirmed it for her.

"How… how did the skull god suppress the Vermillion bird?" the Silver Beak Sky Soar Eagle questioned.

"Well, I don't know how it was exactly back then, but apparently the Vermillion bird had chosen a human to do something for it. The human had the bloodline of the Vermillion bird too, but her bloodline was far weaker than you, from what I can see. 

Even weaker than when I first met you. At the end, to stop the skull god from destroying her sect, the woman sacrificed herself and temporarily awakened the Vermillion bird using her bloodline as the source.