One’s Self Was the Key

"For example, if you give two dan beads, and of each of which will provide one hundred years of cultivation to a Human Origin Stage cultivator, you kill him in a self-explosion. The spiritual energy in the dan bead has a certain amount. Dan bead would not absorb more energy, or reduce the energy inside it. It is a good thing that your body can endure it, but if you can't, you die. It is a waste of time and also the valuable dan bead."

"So those talented men who have been taking dan beads since they were kids when the superior cultivators in their clans keep supporting them may look powerful, however, there are hidden dangers inside themselves. If the troubles burst out, they will die immediately!"

"Besides, you are not definitely going to be improved after taking some dan beads... There are limitations."