Hello :) this is a list about female characters you better not mess around with. This is my personal list of the most badass girls in anime ever (at least for the animes I have seen). I will add some characters as soon as I saw more animes containing female badass characters.
The Most Badass Female Anime Characters,
Motoko Kusanagi
Ghost in the Shell
Saber
Fate/Stay Night: Unlimited Blade Works
Riza Hawkeye
Fullmetal Alchemist: Brotherhood
Olivier Mira Armstrong
Fullmetal Alchemist: Brotherhood
Akame
Akame Ga Kill
Revy
Black Lagoon
Mikasa Ackerman
Shingeki No Kyojin
Erza Scarlet
Fairy Tail
Teresa
Claymore
Clare
Claymore