The goddess among devils,fire,and hero's(Fire Force)

There once lived a small girl with great power / and i am stopping that was stupid so a while ago a girl was born with a amazing but deadly power that she couldn't control fearing this power her parents dumped her on an island at the very edge of the empire when she was 3. For 6 years she stayed on this island training to control her powers and learning things that have been long forgotten by the empire. One day she felt and enormous power coming from the mainland and without thinking responded to it. She was discovered and brought into the empire by company 8 where she know lives this is her adventures