Breakthrough, 9th level of Mortal Realm! Knowledge Acquisition on the Blood Strengthening Pill’s Origins.

As Yang Wei opened his eyes in the early morning, the first thing he felt was hunger—serious hunger. His stomach grumbled so loudly it actually hurt. "Does body refinement really make the flesh crave food this much?" he asked himself.

It was a different kind of hunger from the usual when he cultivated.

Body refinement seemed to make the human flesh yearn for food to satisfy its hunger, while other cultivation methods, like spirit root cultivation, left the soul starving, only to be satisfied by spiritual food.

"I... I need to eat something!"

Scrambling to his feet, he rushed to the door, and upon opening it, he found Wu Meixiang standing there, unsure whether to enter or not.

"Y... Yang Wei...?!"

Seeing Yang Wei, Wu Meixiang panicked and stumbled backward, almost dropping the tray of food she was carrying.