Executive Member of the Port Mafia. (Source: Easy Going Scans)

A young Teutonic aristocrat, she traveled to Japan to participate in the Holy Grail War as a Master. Illyasviel has an angelic appearance and an unsurpassed degree of magical power. She lives in a castle on the outskirts of Fuyuki City, accompanied only by her Servant and two maids. Illyasviel asks those she feels comfortable around to simply call her "Illya." Fate/stay night Fate/Zero Unlimited Blade Works Fate/kaleid liner Prisma☆Illya (Source: Wikipedia)