Reincarnated in Another World and Become a Level 100 Mage

Oh? What should I do if I am reincarnated? I am panicking. What? Am I a necromancer? Or level 100? That's okay, go out and show off for a while. What? Are humans the mainstream in this world? Then I will build my own country and pretend to be okay in my own country. But what if I'm not the strongest? Forget it, it's more important to stay alive. This is a continent full of magic, with various races and different professions for you to choose from. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.