In the end, Leon found a way to increase his status using his own energy. However, it was incredibly difficult, annoying, and probably not efficient. By concentrating his own mana in a single spot and let his body absorb that same mana, Leon could increase his own max mana. However, to do that, Leon had to concentrate a lot, and thus he wouldn't be able to use any other spells. Besides, to increase a single point of his mana, Leon had to spend one million points of his own mana.
Congratulations! Your mana has increased by one point.
Congratulations! You have learned the skill: Mana Sacrifice.
Cost: 10 mana per second
Mana Necessary: 1,000,000
You obtained 01 status points.
"I found the skill I was looking for, but I didn't expect to be so difficult," Leon frowned. "I can't stop in the middle of the process of gathering mana... so I can only rely on my recovery to obtain enough energy, and I also can't let the mana crystalize and become mithril..."