C1544 The Longevity Dan That Shocked the Entire Audience!

The crowd was a mix of shock, skepticism, and outright disbelief, their faces a mosaic of complex emotions.

Their understanding of alchemy was rudimentary at best, and judging by appearances alone, they couldn't tell if Zhang Xing's offerings were genuine.

All eyes turned to Senior Zuo Qi for answers.

And Zuo Qi? He was utterly gobsmacked