Teache Luo is described as a young and attractive woman with a curvaceous body. She has long straight light blue hair that goes beyond her shoulders and amber eyes. She also wore glasses during her first appearance. She lost them during Yi County Saga and started to wear them again during the Hunting The Leader Arc, although after becoming an infected she no longer needed them.
While her black armor is active all her body is covered by black obsidian scales, her fingers convert into claws and her eyes turn red.
Teacher Luo started as a kind and righteous person, trying to hang on on the morals of the society even after the start of the apocalypse. She is initially showed as a caring sister and a prideful teacher, being timid of the various dangers she encountered and hoping that the authorities would somehow return the order to the country. Nevertheless, months after living in the apocalypse hardened her. She exhibited a strong/unbreakable will while being forced to play the death game of Long Tin and a fearless attitude while confronting the psycho.
After becoming infected, although she manage to preserve her sanity, she started to see herself as a monster and was fearful that she would harm others, especially her little sister. Even after her training with Tian Cheng helped her to take control of her new abilities and become stronger, she still expresses her regret for her actual condition, not wanting power but only the chance of living a peaceful life with her sister.
- She the first case of an infected that retain them consciousness on the series.
- (To Zuo Tian Cheng about her powers): "I'm never though of becoming the strongest from the start, I just want to be a normal perosn, living with Xiao Xue"