The Forgotten Magics

Mishai, the only civilization on Earth ever to know true magic, exists long after everything else has been lost to time. There was no way to survive, so humans adapted, and they found a way. Now, they've settled into their kingdoms or villages and magic is a normal part of everyday life.

One girl lives in a small village called Encvil, where there is less magic and more hard labor. When she falls ill and is taken to one of the kingdoms, only to be told she's magical, it flips her world upside down. She loses many people, but she also gains allies that help her through the hardships, both unexpected and not, that come up in her new life.

She ends up not just changing herself and her family, but also the world.

(Please don't judge the description, I beg.)