It can be said that every Mysterious Rank Treasure is quite renowned in the Eastern Province, and among them, the fame of the Tricolor Divine Wings is particularly immense within the Mysterious Rank Treasures.
Even as a Loose Cultivator like Huan You who has always cultivated alone and has limited exposure, he did not recognize the Silvery Light Wings at first glance, but he was aware of them, as well as the Tricolor Divine Wings.
Cao Zhen, however, was unaware of both the Silvery Light Wings and the Tricolor Divine Wings and even required Immortal Bi Yue to introduce them to him.
As a Golden Core Stage Cultivator from the Eastern Province, how could he not know of these? Could it be that he never descends the mountain, always remaining within his sect's gate, secluded from certain news?