Fireheart summary:

"What if a dragon was an elf princess's only hope of saving her kingdom from a dragon god who cast the world into an eternal night?" Long ago, the dragon god Shenyongo destroyed the ancient kingdoms and cursed the world into an eternal night. Centuries have passed, the remnants of the old world have been protected by the elven kingdom of Aluria. Until one night, princess Shahira has a disturbing nightmare warning of the vengeful dragon god's return. Leaving the safety of her home, Shahira sets out to find a hero to save her people. However, she'll come to the shocking realization that her only hope of defeating the dragon god - may be a dragon!