C841 The Great Devil King's Yin Yang Mirror

A treasure that Great Devil King used before?

When the waiter said this, Wang Xiaojian's interest was immediately piqued. That was because Great Devil King's name was not only mentioned by Bai Wushuang, but also by his father-in-law, Lin Jiangnan, who was once Great Devil King's servant.

"What's so special about this thing?" Wang Xiaojian asked without showing any emotion