The Magic System of Alantres

Alantrians are able to draw these shapes aons in the air. Each aon corresponds to almost like an essence on richar is something specific. And when everything was going well, this magic system could be used to expand empires and heal people. But then a corruption happens because of the physical ange in the environment. There's an earthquake, which creates a different landscape. They then have to adjust and make a new line in their characters to account for that false line That has manifested after the earthquake. It creates the raod, the darkness, instead of the light, coming to take these people.