C1590 Madman on the left genius on the right

Chu Yun laughed and immediately gave the two of them a seat before offering two cups of hot tea, "In the recent days, I have been so busy that I have not been able to get out of it.

"Chu Yun, the father and son pair have studied for many years and finally developed a perfect artefact. As long as you can endure it, it should be very beneficial to your growth!"

Hearing that, Chu Yun's eyes lit up