Immortal Invention- The Ring

This book is about a secret world hidden within the human world. Dakota, a 17 year old girl gets pulled into it when she discovers something unreal in an ally way. Her life is turned upside down when she learns that monsters exist and she is one who is meant to hunt them. She learns who she is and who she is meant to be all while a witch searches for an immortal power hidden inside a ring that was stollen from her years before. Dakota is the key to finding it. Will she save the world, or decide to let it burn?