At this moment, what appeared on Gu Xiu's Green Bamboo Rod was an extremely unique mask, resembling white jade, shaped like a Rakshasa demon, yet also like a Buddhist Vajra, with a shimmering glow upon it.

It seemed dreamlike and illusory, both real and unreal.

Holding it in his hand, Gu Xiu immediately felt its texture as thin as a cicada's wing, light as if it were nothing, with a faint supreme Dao rhythm flowing on it.

Moreover, it contained a sense of Zen.