There were many novels in which the male or female protagonist was the Demon Lord that could be referred to as the following popular types: 1." Devil's Day ": This is a fantasy novel written by Mo Bao Fei Bao. It tells the story of a young man's growth. He was originally an ordinary person, but he was chosen by fate to become the successor of the Demon Lord. In this world full of magic and conspiracies, he constantly faced various challenges and difficulties and gradually grew into a true Demon Lord. 2 " Battle Through the Heavens ": This is a fantasy novel written by Tian Can Tudou. It tells the story of a young man's growth. He encountered various challenges and difficulties in the process of cultivation and finally became a powerful martial artist. His life wasn't smooth sailing, but he continued to struggle and finally realized his dream. 3." Demonic Patriarch ": This is a fantasy novel written by Mo Bao Fei Bao. It tells the story of love, hate, and hatred in the Jianghu. It involves many stories of Demon Lords and Immortals. The protagonist, Wei WuXian, was a gifted cultivator, but he walked the evil path and became a Demon Lord. His life was full of twists and turns and challenges, but he constantly adjusted his attitude and finally became a true Demon Lord. 4." Snow Eagle Lord ": This is a fantasy novel written by a warlord. It tells the story of a young man who grew up in a world full of magic and machinery. He became a Snow Eagle Lord. He had a strong fighting ability and wisdom, constantly facing all kinds of challenges and difficulties, and finally realized his goals and dreams. The above are some of the more popular novels where the male or female lead is the Demon Lord. I hope you can help.