C473 The Dao of Pill Seal

"How's it looking, Master?" Zhang Yu inquired in a deep tone, his gaze shifting away from the Medicine Pill.

The immense energy contained within, yet so securely bound by the Pill Seal, spoke volumes about its formidable strength. Zhang Yu had unwavering faith in Mo Chen's abilities, but now he was beginning to reconsider.

"The Pill Seal is indeed an ancient art of sealing," Mo Chen said