A petite teenage girl with blonde hair, green eyes and a distinctive ahoge. Often seen wielding a sword and wearing armored dress, or a white blouse and a blue skirt. The Fate/zero version is often drawn wearing a black business suit. In Fate/stay night, her chronological age is approximately in the late twenties, but she appears to be around fifteen, as her physical aging was stopped by magic in the "Sword in the Stone" event until her death in her original timeline.
True Name: Artoria Pendragon, a genderswapped version of King Arthur
- Saber Alter - Yellow eyes, wears black armor or gothic lolita apparel. No ahoge.
- Saber Lily - Ponytail, white clothing, bare back.
- Artoria Pendragon (Lancer) - Lancer class. Sports large breasts and Rhongomyniad instead of Excalibur.
- Artoria Pendragon (Lancer Alter) - Alter version of the above.
- Artoria Pendragon (Swimsuit Archer) - Archer class version of the original Saber.
- Saver - Original character design as a male.
- Saber Lion - Her power is only matched by her hunger.
- Master Artoria - Wears a blue serafuku, wields a katana and has a Command Spell on her right hand.
- Mysterious Heroine X - Assassin Class, wears sporty clothes and a baseball cap.
- Mysterious Heroine X (Alter) - Berserker Class, wears various outfits and wields a lightsaber-esque blade.
- Sader - Based on a nightmarishly horrible figure.
- Nero Claudius (Fate) (Saber Extra), Mordred (Saber of Red), and Okita Souji (Fate) (Sakura Saber) - Despite their names and very similar appearances, they are separate characters rather than variations of the original.
- Invisible Air