"First, Rank Advancement Potions can only be used by those who have already become New Humans. Even a tiny amount would cause an ordinary person's blood vessels to burst from being unable to withstand the energy inside, and in severe cases, it could directly result in death! And although it is called a rank advancement potion, taking it does not immediately raise one's rank. It increases the total amount of energy in the body, producing a qualitative change through quantitative accumulation. How much one must take to advance varies from person to person, and even how much a person can take in a day differs individually."
"Second, the lowest-grade Rank Advancement Potion currently developed is the D-type Potion. I divided them into five types: S, A, B, C, and D. S-type is the purest and most effective, while D-type is the lowest grade. Although only the D-type Potion has been finalized so far, the subsequent purification work will not be difficult. I believe the other four types will be developed soon."
"Mom is amazing!" Chu Han shouted.
"I'm not finished yet." Yuan Xiye gave Chu Han an unmoved glance before continuing. "The reason I divided these potions into five grades instead of purifying them to the utmost limit all at once is because we discovered during research that the purer the potion, the greater the impact of the energy it contains. New Humans of too low a rank likewise cannot endure it. Although the lowest-grade potions contain impurities, their impact is the weakest, and New Humans can generally withstand them. Thus, these five different potion types also correspond to the ranks of New Humans."
Chu Han suddenly understood. While marveling at the rigor of his mother's research, he could not help joining the discussion. "In other words, D-type Potions correspond