Tanro's mentor plays a crucial role in shaping his demon-slaying abilities by providing him with guidance, training, and valuable knowledge about demons, their weaknesses, and effective slaying techniques. The mentor also helps Tanro develop his skills, hone his abilities, and instills in him the determination and courage needed to successfully combat demons. Ultimately, the mentor acts as a mentor figure who not only trains Tanro in physical combat but also imparts wisdom and experience that are essential for Tanro's growth as a demon slayer.
