If she wanted a crazy story, she should have instead used this chance to confess her love of Mu, instead of playing the victim all the way up while killing people.
Are there any lady's cheering for her? I just think each one sees her as to what she is.
Size? If you mean Mu and Yu Cheng, that's unofficially not his normal body. That's the body he used during Tianxuan arc, a soul soldier. Well, she did say she no longer loved him and her aspiration exceed all form of love.