Beatrix was a classic hero. I would never characterize her as an anti hero. She may have strayed from the “path” but she found honor and decency after being screwed over. She killed, but let’s be honest, the people she killed were murderers and criminals and rapists. She was fighting not only for herself but for the innocent lives lost in the chapel as well and most importantly for her daughter. Not to mention she was nursing a broken heart. She was a classic heroine. IMO.
Well, she was a hired assassin too before she decided to change her life. In a way, she’s like the female version of Jules living in the movie movie universe.