The untold world

This is a world on demons and dragons only humans and angels extinct from the war 100000000000000000000000 years ago there are 5 kingdom's of dragons and 3 demon. The 5 dragons are air fire water earth and lightning. The 3 demons are lava ice space they are the kingdom's there are some books about angels in hidden places in the palaces it the dragon kingdom there is a king and queen with 3 kids all boys thats the air kingdom now the fire has a king and queen with all boys but they are teens and the others like it the kingdom's of demons and dragons have kindess.. Well.. Most i have not entered the story.. Yet this story sets with inside the fire kingdom.