Wildfire

As her city was burnt to the ground the princess fled, leaving her kingdom behind. It spread through surrounding lands that it was a wildfire, but Scarlet knew the truth. Someone had set fire to her beloved kingdom, and she would find out who.

Ancient legends said at one point in time there where celestial beings were banned from their city in the sky. They were sentenced to an eternity on earth. Angered, these beings would take revenge on mortal cities who's leaders had celestial decent or were a celestial being themselves.