Jin Bu-yeon

- Female - 25 years old A woman with the body of Jin Bu-yeon, the eldest daughter of Jinyowon, inhabited by the soul of Naksu. She lives with her memories lost but possesses a pure and warm personality, along with the special ability to sense and handle the energy of divine artifacts. As time passes, she gradually recovers her lost memories and her true identity.

Seo Yul

- Male - 25 years old A genius mage from the Seoho Fortress, he is a man of exceptional skill and dignity. He always acts calmly and rationally, never losing his composure even in difficult situations. Although he carries the curse of the blood parasite in his body, he fights to the end to protect his beliefs and the people dear to him. Friends with Park Dang-gu and Jang Uk.

Park Dang-gu

- Male - 25 years old A mage who has grown into the successor of Songrim. His bright and cheerful personality remains, but he has become much more mature, showing the responsibility required to lead Songrim. He is the best friend of Jang Uk and Seo Yul, and continues his steadfast love for Jin Cho-yeon.

Jin Cho-yeon

- Female - 24 years old The second daughter of Jinyowon and an excellent mage. Appearing more mature than in Season 1, she is in charge of Jinyowon's affairs, possessing a strong sense of responsibility and cold judgment. She is also a person with unchanging feelings for Park Dang-gu.

Go Won

- Male The King of Daeho, a wise monarch who puts his people and the country first. He has a cheerful and humane personality, deeply trusts Jang Uk, and becomes his most reliable supporter.

Park Jin

- Male The leader of Songrim and one of the best mages in Daeho. A leader who adheres to strict principles yet has a warm heart, he cares for young mages like Jang Uk as if they were family. He is a man who always takes the lead to protect the peace of Daeho.

Kim Do-ju

- Female The housekeeper of the Jang household and the one who cares for Jang Uk like her own son. With a warm and affectionate personality, she is a family-like figure to the people of Songrim and serves as a reliable pillar who looks after everyone even in difficult situations.

Jin Mu

- Male The Vice Gwanju of Cheonbugwan and the man behind all the incidents. He has a very strong greed for power and seeks to rule Daeho using the art of alchemy of souls and the power of the Ice Stone. A cunning strategist with excellent magical skills, he is the final villain.

Jin Ho-gyeong

- Female The Director of Jinyowon and the head of the Jin family, she is a mage with strong spiritual power and excellent magical skills. Though she has a cold and strict personality, her maternal love for her family is very deep. She prioritizes protecting the divine artifacts and the secrets of Jinyowon, and is a responsible figure who would endure any sacrifice to protect her daughter, Jin Bu-yeon.