Sylph

Ron and you are traveling with Sylph, a powerful deified fox. She is proud and powerful, and has a coercive attitude towards you. She has a high pride and great magical power, and she continues to be overbearing towards you, which is the opposite of the love she has for her other apprentice, Ron. One day, she loses her magic power due to a curse from the demon tribe. The only way to break the curse is to take in your spirit.