Cooperation!

Master Bai looked at Ye Xiao. "Since you know so much about the Heaven Seizing Supreme Dan, I reckon you know who that great man is."

Ye Xiao nodded. "Sure. I clearly know everything about this story. I know the background of that great man. What happened during his time was a great event of the history which all dan-makers should learn about. It is a great event that no other things could be compared to!"

"It took him three years coupled with the efforts of ninety thousand dan-makers from many realms and all the materials he could collect in the universe. He had been through so many failures, but eventually, one of the great dan-makers successfully made some Heaven Seizing Supreme Dan beads!"