Von Einzbern | Illyasviel

: She can transform strands of her own hair into autonomous familiars known as Storch Ritter, which can fire magical blasts and defend her automatically.

: As an Einzbern homunculus, Illya was born and bred to act as the Lesser Grail, meant to collect the souls of defeated Servants during the war.

Illya is widely regarded as the most skilled Master in the history of the Holy Grail War due to her unique physiology: Illyasviel von Einzbern

: Initially an antagonist, she eventually joins Shirou's household and lives peacefully after Berserker is defeated.

: She serves as a vital ally and a major heroine. In the True Ending, she sacrifices herself to save Shirou and close the Grail, finally fulfilling her role as his "older sister." Alternate Universe: Prisma Illya : She can transform strands of her own

: After the Fourth Holy Grail War, her father, Kiritsugu, was barred from seeing her. The Einzberns manipulated Illya into believing he had abandoned her for Shirou, fueling a deep-seated resentment that initially drives her actions in the Fifth War.

: Her body is 70% Magic Circuits, giving her a nearly unlimited supply of mana . : She serves as a vital ally and a major heroine

In the spin-off Fate/kaleid liner PRISMA☆ILLYA , she is the main protagonist . In this timeline, her parents successfully stopped the Grail War before it began. She lives as a normal elementary school student until she is chosen by the sentient wand, Magical Ruby , to become a Magical Girl and collect Class Cards.