Hermione

Biodata

Feature	Details
Name	Hermione Jean Granger (赫敏)
Alias(es)	“Invincible Hermione Granger” 178 306
Species/Race	Human witch; Muggle-born
Gender	Female
Affiliation	Ravenclaw House; Hogwarts School of Witchcraft and Wizardry; Granger family; Harry's detective agency
Occupation/Role	Hogwarts student; Harry's Defence Against the Dark Arts teaching assistant; Triwizard Tournament Champion
Status	Active
First Appearance	Chapter 11

Background

Hermione is the daughter of two dentists and initially regards Harry as an adopted younger brother after the Grangers take him in. Proud of being nearly ten months older, she repeatedly tries to make him call her “big sister,” while their early relationship becomes a mixture of rivalry, bickering, and mutual care. She discovers that Harry deliberately limits his academic results despite possessing unusual mathematical and scientific knowledge, prompting her to challenge him constantly. 11

Her long-running arrangement with Harry begins when he helps manage her difficult hair in exchange for her completing his homework. Though she resents his apparent laziness and superiority, she comes to recognize his domestic competence and the care he shows the Granger family. 11

When Hermione receives her Hogwarts letter, Harry tries to prevent her from attending because of the wizarding world's dangers. Hermione interprets his opposition as prejudice against her Muggle-born background, but remains determined to enter Hogwarts, learn magic openly, and prove that birth does not determine a witch's worth. 12 17

At Hogwarts, Hermione is sorted into Ravenclaw. Her exceptional performance in knowledge-heavy subjects earns both admiration and hostility; some Gryffindors derisively call her “Miss Know-it-all.” 23

Appearance

Hermione is initially a young girl with bushy brown hair, large brown eyes, and noticeable front teeth. Years of Harry's hair care gradually transform her frizzy “lion's mane” into smooth, manageable hair, though her slightly prominent teeth remain a distinguishing feature. 1 11 86 312

• Brown eyes described as bright and competitive. 11
• Originally has thick, dry, difficult-to-style hair. 11
• Later commonly wears hair ties and light makeup. 86 101
• At the Yule Ball, wears her long hair in an elegant bun and a pale violet-blue evening gown. 312

Personality

Hermione is fiercely intelligent, proud, competitive, and academically driven. Her confidence often appears overbearing, but it conceals insecurity over being Muggle-born in a magical society dominated by old wizarding families. She works relentlessly to prove that she can equal or surpass those born into magical lineages. 12 17 124

She is direct when confronting dishonesty or prejudice. Hermione publicly exposes Gilderoy Lockhart as a fraud after defeating him in the Duelling Club, physically retaliates when Pansy Parkinson obstructs her, and openly challenges discrimination against Muggle-borns. 26 76 146

Her protectiveness extends beyond Harry. She is willing to organize the Forbidden Forest's magical creatures for Hogwarts' defense, takes security precautions during the interschool welcoming ceremony, and regards gaining enough power to protect others as a central source of happiness. 168 232 295

Abilities & Skills

Academic Knowledge and Deduction

Hermione is Hogwarts' foremost student and excels through meticulous preparation, research, and logical analysis.

• Deduces the identity and objective of the House-elf who kidnaps her from its behavior and fragmented clues. 34
• Investigates Nicolas Flamel and the Sorcerer’s Stone through extensive library research. 40 41
• Uses historical research to locate and master Wendelin's Freezing Fire Charm. 306
• Takes elective-course selection and academic planning exceptionally seriously, even when it leads to overwork. 108 145

Dueling and Spellcasting

Hermione receives advance spell instruction and elite Auror dueling techniques from Tina Scamander. 55

• Casts the Leg-Locker Curse and uses Harry's Physical Silence Spell style in combat. 26
• Disarms a Troll with the Levitation Charm, allowing Harry to finish it with a transfigured sword. 34
• Defeats Lockhart in a public duel before exposing his fraudulent career. 76
• Demonstrates spell power beyond ordinary adult wizards, with Stunning Spell strength possibly exceeding elite Aurors. 306

Transfiguration

Hermione is highly proficient in combat Transfiguration.

• Creates animated stone men and griffins capable of physically engaging a dragon. 302
• Uses Transfiguration alongside blasting, binding, sleeping, and other spells to subdue the Hungarian Horntail. 306
• Her Transfiguration during the first Triwizard task is judged superior to Cedric Diggory's. 306

Wendelin's Freezing Fire Charm

Hermione masters a rare spell associated with Wendelin the Weird, enabling her to resist magical fire.

• Withstands the Hungarian Horntail's flames without injury or damage to her clothes. 306
• Sustains the spell long enough to approach and fight the Horntail directly. 306
• Her command of the charm is considered comparable to Wendelin's own. 306

Patronus Charm

Hermione's corporeal Patronus is a griffin, born from her desire to become a protector rather than merely remain beside those she loves. 168

• Initially struggles because frustration and pressure prevent her from focusing on a happy memory. 168
• Summons a massive griffin Patronus after Harry and Luna help restore her confidence. 168
• Combines her Patronus with Harry's through their twin-core wands, creating a griffin dozens of meters long. 178
• Drives more than one hundred Dementors away from the Quidditch stadium, earning her the title “Invincible Hermione Granger.” 178

Time-Turner Use

Hermione uses a Time-Turner to attend several classes scheduled simultaneously, motivated by her desire to excel in every subject. Harry later persuades her to use it more responsibly and avoid exhaustion. 145 146

Security and Organization

Hermione applies her intelligence to practical protection measures.

• Serves as Harry's teaching assistant in first-year Defence Against the Dark Arts classes. 101 102
• Distributes Bluebell Flames treated with Identification Potion to expose Polyjuice Potion transformations during the Beauxbatons and Durmstrang welcoming ceremony. 295
• Coordinates Centaurs, Acromantulas, Nundus, Occamies, and other Forbidden Forest creatures into defensive sectors for Hogwarts. 232

Equipment / Items

• Holly wand — Eleven inches, supple, with a phoenix feather from Dumbledore's phoenix as its core. It is the twin of Voldemort's yew wand. 15 16 301
• Time-Turner — Used to attend multiple simultaneous classes. 145
• Bluebell Flame bottles — Security tools coated with Identification Potion to reveal Polyjuice transformations. 295

Wand Connection

Hermione's holly wand shares a twin core with Voldemort's wand. Harry can wield it with extraordinary ease, and it later shares the same phoenix-feather origin as Harry's custom ginkgo wand. 16 21 57

• Harry's and Hermione's wands cannot directly attack one another. 57
• When aimed at the same target, their spells naturally gain power. 57
• Their shared wand connection enables the amplified griffin Patronus used against the Dementors. 178
• Alongside Luna wielding Harry's ginkgo wand, Hermione can use same-origin wand suppression against powerful opponents. 379 381

Story Role / Major Arcs

Adoption and Hogwarts Enrollment

Hermione meets Harry after he is adopted by the Grangers. Their competitive sibling-like bond develops before both receive Hogwarts letters. Despite Harry's warnings, Hermione insists on attending Hogwarts and commits herself to challenging wizarding prejudice through her achievements. 11 12 17

First-Year Mysteries

Hermione becomes part of Harry's core investigative circle, helping examine the Three-headed Dog, the Sorcerer's Stone plot, and the identity of a hostile House-elf. After being kidnapped, she persuades the House-elf to take her to Harry and assists in the Troll confrontation. 31 34 41

Lockhart's Exposure

Initially an enthusiastic Gilderoy Lockhart fan, Hermione ultimately uses that apparent admiration as cover to challenge him publicly. She defeats him at the Duelling Club and denounces him as a fraud before the school. 3 66 76

Patronus Training and “Invincible Hermione”

Hermione struggles to cast a Patronus while feeling pressure to keep pace with Harry and Luna. Once she recognizes her own wish to protect them, she successfully summons a griffin Patronus. Her later joint Patronus with Harry repels a Dementor swarm and makes her a Hogwarts celebrity. 168 178

Triwizard Tournament

Hermione is unexpectedly selected as a Hogwarts Champion. She accepts the danger in part to secure legal recognition for Harry's dragon, Norberta, then trains intensely against Norberta's breath attacks. 298 302

In the first task, Hermione faces the Hungarian Horntail, uses the Freezing Fire Charm to endure its flames, subdues it through sustained spellcasting and Transfiguration, and retrieves the Golden Egg without injury. She receives a perfect score of 40. 306 307

She later wins the second task after rescuing Gabrielle Delacour, earning Fleur Delacour's respect despite accusations of cheating from Akinbad. 332

Time-Travel Crisis

During the altered future timeline, Hermione remains aligned with Harry and Luna against interference from middle-aged Hermione and Ron. She helps infiltrate Hogwarts, supports Harry's plans involving Snape and Dumbledore, and later confronts Delphi alongside Luna using their same-origin wands. 356 357 381

Relationships

• Harry Granger — Adoptive brother, closest partner, and later romantic partner. Their bond grows from rivalry and family life into mutual devotion; Hermione consistently seeks the power to protect him. 11 104 168 242 265
• Mr. and Mrs. Granger — Biological parents. They support her Hogwarts decision while remaining concerned for her safety, and later accept her relationship with Harry. 12 242
• Luna Lovegood — Friend, rival, and occasional source of jealousy. Their conflict over Harry eventually develops into understanding and cooperative support. 125 155 168
• Ron Weasley — Friend from the Hogwarts Express and part of Harry's early circle. 17
• Tina Scamander — Magical tutor who teaches Hermione advanced spells and Auror dueling techniques. 55
• Gilderoy Lockhart — Former idol whom Hermione exposes as a fraud after defeating him in the Duelling Club. 3 76
• Astoria Greengrass — A younger Slytherin whom Hermione treats with unexpected kindness and later assists through Harry's detective agency. 171 182
• Gabrielle Delacour — Triwizard second-task hostage rescued by Hermione, leading to improved relations with Fleur Delacour. 332

Notable Quotes

“I will let my grades do the talking and let all those wizarding descendants who pride themselves on their family heritage know: even a child from an ordinary family can become a powerful wizard!” 17

“I can do it! That's right, I'm Hermione Granger. I absolutely can do it!” 168

Trivia

• Hermione is nearly ten months older than Harry and originally insists that he address her as “big sister.” 11
• She is described as the embodiment of knowledge among Ravenclaw students, contrasted with Luna Lovegood's more intuitive wisdom. 65
• Her Patronus takes the form of a griffin: half eagle and half lion. 168
• Hermione's first Triwizard-task performance makes her an inspiration to many young witches and wizards. 306