Emily Barratt: 4 books

Almost one hundred years ago, the final three Ketone, the wolf, the fox and the Phoenix, took battle against the Spirit Teller, a witch that received the Ketone Blade when she traded her unborn child for immortality. It is also said the boy holding the Nine-tailed fox within him was the Spirit Tellers...

It began with a Ten-tailed monster, created by witchcraft and magic and spanned 200 years. Epic battles had been waged, won and lost. Murder and intrigue was everywhere and witches and demons coveted the power of the Ketone. The witches were awed by the creatures power. Its ten tails held the power...

Set in two worlds. One world is a world you know today, full of tehcnology, separated into seven different continents. The other world is much less modern, a world of Spirit, Fire, Water, Wind, Earth and the Centre, a world of witchcraft and magic. A Tailed Beast, Witches and Humans. The tailed beast...

Lutalo, Nate and a blind Pluto were battling my grandfather, who held the Ketone Blade in his hands. My grandfather used me to open a Door to the Underworld. But Lutalo stopped him and destroyed the Ketone Blade with a sword that was given to me by one of the original Nine Ketone, the Six-tailed wolf,...