You obtain skills by leveling up or evolving. As soon as you did either of those things, you will feel a tickling, nearly burning sensation all over your body, while your brain gets flushed with skill options. The sensation on your skin will slowly increase, becoming painful but bearable for a while. The second you choose a skill, the sensation as well as the information in your head will all be vanished.
Some scholars have devoted their lives to copying every information about every skill into books.
Some scholars have devoted their lives to copying every information about every skill into books.