C2383 The Imperial Prison

Tang Yu was exceptionally adept at concocting Immortal Pills. This was not his first time concocting Immortal Pills. He had his own unique understanding of concocting a Pill.

Gathering the flame, controlling the temperature, and purifying the Pills. This set of movements was as smooth as flowing water, as if it was an art, pleasing to the eye.

"This kid... is really amazing