What is the cold nine-note ending of His Highness Xian Di?

Became the master of all the worlds. In the online novel "His Royal Highness the Emperor Immortal is Cold", the heroine Jiuyin is in the world, breaking through the twelve realms of life and finally becoming the master of all ages. His Highness Xian Di is extremely cold is an online novel written by Wei Zi. It is a fictional fantasy novel.