What is the ending of the vampire diary novel? It has to be very detailed

The Vampire Diaries was a very popular fantasy novel. The ending was as follows: At the end of the novel, Vampire Hunter D and Alina became friends and helped the vampires escape the threat of evil forces. In the process, they discovered that the vampires were actually controlled by a mysterious dark force, and the source of this force was an ancient vampire family. In order to solve this problem, they decided to go to the ruins of the ancient vampire family to find the origin and secrets of this family. After a series of adventures, they finally found the origin of the family and learned the truth about the dark forces. In the end, they successfully defeated the family and revealed their secret. In the process, vampires and humans established a new friendship and cooperation, respecting and protecting each other. In the end, Vampire Hunter D and Alina created a peaceful world where both humans and vampires could live freely. They believed that only through cooperation and communication could they solve all problems and create a better tomorrow.