The staple food that the Yunlan Restuarant provided was not long grain rice but spiritual rice. As its name suggested, the spiritual rice contained energy; even the water they supplied was no typical water but spiritual water, which also contained traces of spirit energy.
For both spiritual rice and spiritual water, there were different grades, ranging from low-grade, to mid-grade, and then finally high-grade. Naturally, the higher the grade, the higher the price point.
After consuming the spiritual rice and water, the impurity within a self-cultivator's body would be eliminated. Thus, the body would become more healthy and fit.
The Second Prince was apparently willing to spare no expense to treat Qingfeng Li to this meal, as he directly took out fifty vitality stones and threw them to the server in black.