After the Second World War in the Wizarding World, the Wizarding World ushered in a brief period of peace, but when Harry Potter's grandchildren were born, the world ushered in the darkest era. The Chelm family is the most powerful pure-blood family in the world. Claire has been studying black magic since she was a child, Ser Feisi followed her mother to seek light, and Serkos is the least important person in the family. He is self-controlled, has a low IQ, and is in a daze from time to time... The Third Magic War is about to begin. What will happen between them?
Purpose: Continuation of classics, fantasy world