His cultivation also made rapid advancement. The boy bought several mana stones just to increase the mana density of his room. He managed to increase the mana density by almost 10 times easily.
With his current resources, he could go much further than that, but according to his head butler, anything above that wasn't easy to keep fixed in one room. According to the old employee, this situation was similar to that of water in the blood and cells.
When a very high concentration of something was present, water from outside the cell came in to "balance" it, and when the cell was too full of water, the liquid came out.
It has not yet been discovered how to make mana not leak naturally. The only way was strong mages preventing her from leaving, but this technique required a lot of resources and was not 100% effective.
