Baiyao Mojun (白妖魔君 bái yào mó jūn) or Collector of Yaoguai (妖怪收藏家) is the leader of the four yaoguai kings of the Shadow Foxes.
The Collector of Spirits, he is capable of swallowing magical artifacts and other Spirits, absorbing them and making them a part of his own abilities.
Centuries ago, he once tried to swallow the Wangquan Blade, but failed as the sword pierced his stomach. He has since then feared the Wangquan Clan name.