Fate Stay Night – A visual novel and anime series that centers on the Holy Grail War, a deadly contest between mages who summon heroic spirits from history and legend to fight for a wish-granting artifact. Saber (Artoria Pendragon) is the most iconic character in *Fate/stay night*, known for her noble demeanor and unyielding sense of justice. As the embodiment of King Arthur, Saber fights with her invisible sword Excalibur, and her combat skills are unmatched among the Servants. Her character is defined by her sense of duty and honor, often prioritizing the well-being of others over her own desires. However, beneath her stoic exterior, Saber grapples with feelings of regret about her past as a king, wishing she could have ruled her kingdom differently. Her relationship with Shirou Emiya serves as one of the emotional cores of the series, as she gradually learns to accept her past and move forward. Rin Tohsaka is one of the three main heroines in *Fate/stay night* and a master of magecraft who participates in the Holy Grail War. Rin is confident, intelligent, and skilled in magic, particularly with gem-based sorcery. She presents herself as a serious and disciplined mage, but she has a softer side, especially in her interactions with Shirou, for whom she develops romantic feelings. Rin’s pragmatic and competitive nature often leads her to make difficult decisions, but she is also deeply compassionate and cares for those around her, even when she tries to hide it behind her strong exterior. Her journey in the Holy Grail War challenges her ideals, forcing her to balance her ambitions with her growing affection for her allies. Sakura Matou is a quiet and reserved girl who hides a tragic and dark backstory beneath her gentle appearance. Although she seems meek at first, Sakura plays a central role in the *Fate/stay night* universe, particularly in the "Heaven's Feel" route, where her connection to the Matou family and her suppressed magical abilities are explored. Sakura is a complex character, torn between her love for Shirou and the darkness within her, which stems from years of abuse and manipulation by her family. As the story progresses, Sakura’s inner turmoil and struggle between good and evil become more prominent, making her one of the most emotionally charged characters in the series. Illyasviel von Einzbern is a young girl with a cheerful and childish demeanor, but she is also a powerful Master in the Holy Grail War, commanding the fearsome Berserker. As a homunculus created by the Einzbern family, Illya has a tragic background, having been raised to be a key figure in the Grail War with little regard for her own desires. Despite her seemingly innocent appearance, Illya is both ruthless in battle and deeply lonely, desiring the love and connection she was denied growing up. Her relationship with Shirou, who is revealed to be her adopted brother, adds layers of complexity to her character, blending feelings of resentment, affection, and tragedy. Caster (Medea) is a Servant in the Holy Grail War who specializes in magic and sorcery. Cunning and ambitious, Caster uses her vast knowledge of spells to manipulate her opponents and gain the upper hand in battle. Originally known as Medea in Greek mythology, Caster harbors deep feelings of betrayal from her past, which fuels her desire to win the Holy Grail. Despite her villainous role, Caster is shown to have a softer side, particularly in her relationship with her Master, Kuzuki, for whom she has genuine affection. Caster’s character reflects themes of love, power, and revenge, making her one of the most intriguing and morally complex Servants in the series.