章 39: The System.

So lightning is the advancement of the element fire and is now acquired by me. It happened so suddenly that it's hard for me to process the situation quickly.

Just like I said before,Mana control is mostly a hereditary trait. A census revealed that about 1 in 100 kids can feel mana, but this ability can only be validated once a person's mana core is fully grown, which can happen any time between early adolescence and early teen years. A transparent barrier that surrounds the awakened forms when a mana core develops and lasts for a few minutes.

A genetically endowed mage child experiences the phenomenon known as manifestation when they are between the ages of 7 and 10. When that happens, they are able to feel the ambient mana in their environment, and a mana core gradually settles inside of them, giving them the ability to command both mana and elements.