In line with the female protagonist's arrogance, coldness, heartlessness, and ruthlessness, it's best if she's an immortal with boundless magical power. She has many admirers and many male supporting characters. The recommendations are as follows: 1. The Legend of the Sword and Fairy series: The female lead, the fairy witch Zhao Ling 'er, completely meets the requirements. She is aloof, cold, heartless, but her heart is full of kindness and love. She has powerful magic power and superb medical skills to help many male supporting characters solve their problems. Finally, she and the male lead, Li Xiaoyao, search for the truth and obtain happiness. The female lead Ruoxi's character is also aloof, cold, heartless, but she is a smart, independent, and thoughtful girl. She has strong magical power and wisdom, but also has a deep emotional experience. She has experienced life and death with many male supporting characters, and the emotional entanglement of love and hate. 3 " Hua Qian Gu ": The female lead, Hua Qian Gu, has the characteristics of the demon world and the immortal world. She is aloof, cold, heartless, but her heart is full of emotions and persistence. She has strong magical power and firm beliefs. She and the male lead, Bai Zihua, have experienced three lifetimes of love and hate, and finally obtain happiness. 4 " Fuyao ": The female lead Fuyao is a female lead with the characteristics of the immortal world. She is aloof, cold, heartless, but she is also a strong, brave, and confident girl. She has a strong magical power and a unique personality charm. She has experienced complicated emotional entanglements with many male supporting characters and finally obtained happiness. 5 "Celestial Bane": The female lead Bi Yao's character is also proud and cold, heartless and heartless, but she has unique thoughts and feelings. She has strong magical power and firm beliefs. She and the male lead Xiao Ding have experienced life and death, love and hate intertwined emotional entanglements. The above are some novels that are in line with the female protagonist's arrogance, coldness, heartlessness, and ruthlessness. It is best if she is an immortal with boundless magical power. She has many admirers and many male supporting characters. I hope it will help.