Snape

Biodata

Feature	Information
Name	Severus Snape (斯内普)
Alias(es)	Half-Blood Prince 174 210
Gender	Male
Affiliation	Hogwarts School of Witchcraft and Wizardry; Slytherin House
Occupation/Role	Potions Professor; Head of Slytherin House; private Potions and dueling instructor
First Appearance	Chapter 17

Background / History

Snape's school years left him bitter toward Gryffindor students, though his closest friend had been a Gryffindor girl whom he ultimately lost. Seeing Silan and Hermione together repeatedly evokes memories of Lily and intensifies his conflicted response to Harry Potter. 21 72

He developed exceptional skill in Potions and Dark Magic while still a student. Before graduating, he had already revised the recipe for Baruffio's Brain Elixir and invented spells later recorded in his annotated Advanced Potion-Making textbook under the name “Half-Blood Prince.” 191 202 210

At Hogwarts, Snape serves as Slytherin's Head of House and Potions professor. He repeatedly applies to teach Defense Against the Dark Arts, but Dumbledore rejects him each time, apparently out of concern for Snape's safety. 157

Appearance

Snape is a thin, imposing wizard whose severe appearance and silent movement lead students to compare him to a bat. 21 71 92

• Long, oily or greasy black hair. 21 92
• Long black robes, often described as spreading like bat wings. 21 71
• Cold, scrutinizing eyes and a habit of using prolonged silence to unsettle students. 53
• Usually keeps his office dark, cold, and crowded with bookshelves, desks, and a well-stocked private ingredient storeroom. 53

Personality

Snape is proud, exacting, and intensely competitive. He considers victory over Lockhart non-negotiable and has little patience for incompetence, grandstanding, or poorly executed magic. 191 206

His classroom manner is severe: he humiliates Harry with difficult questions, sharply criticizes mistakes, and openly favors capable Slytherin students. However, he can recognize genuine talent regardless of House, awarding Hermione points for good work and gradually investing considerable effort in Silan's development. 21 136 286

Despite his harshness, Snape reacts strongly to prejudice. Ron's use of “Mudblood” and assumptions about Snape's views provoke an unusually emotional rebuke and detention rather than agreement. 71 72 246

Abilities & Skills

Potions Mastery

Snape is an exceptionally accomplished potioneer whose methods combine technical precision, speed, and original research.

• Revises established recipes, including a more potent but less stable method for brewing Baruffio's Brain Elixir. 191
• Can direct ingredients to slice, grind, and enter a cauldron through wandwork while maintaining precise control over the brew. 222
• Operates four cauldrons simultaneously while preparing Mandrake Revival Potion. 286
• Successfully prepares Fire-Control Potion and provides Silan with detailed practical instruction. 222
• Maintains a private storeroom containing high-quality and valuable ingredients. 53 93

Spell Creation and Counterspells

As the Half-Blood Prince, Snape created advanced spells and their dedicated counters.

• Invented spells including Sectumsempra, which he describes as an advanced form of the Severing Charm. 210
• Created counterspells for his own inventions and privately teaches them to Silan. 210
• Possesses enough confidence in his creations to present the Half-Blood Prince's methods as superior to “the method of mediocrities.” 191

Dueling and Dark Magic

Snape is a highly dangerous combat wizard, particularly proficient in offensive and defensive Dark Magic.

• Casts the Disarming Charm with exceptional precision and speed. 204 208
• Counters Lockhart's Incendio with Aguamenti and defeats him with a rapid Disarming Charm. 204
• Uses Diffindo, Stupefy, and Oppugno in rapid succession to incapacitate Lockhart. 246
• Defends himself from Lockhart's poisonous Dark Magic and recognizes its unusual sophistication. 247
• Uses Sectumsempra without hesitation once Lockhart begins using the Killing Curse against students. 247 250
• Blocks Tom Riddle's Killing Curse during the confrontation involving the Basilisk. 254

Teaching and Mentorship

Snape's teaching is harsh but practical, emphasizing repetition, precision, and immediate correction.

• Gives Silan private Potions lessons and guides him through Hemostatic Healing Potion and Baruffio's Brain Elixir brewing. 173 191
• Trains Harry, Malfoy, and Silan for a dueling match, beginning with the Disarming Charm and correcting their form directly. 208
• Privately teaches Silan the counterspells to the Half-Blood Prince's spells after learning Silan has already mastered the originals. 210
• Takes visible pride in Silan's ability, compares him to himself, and offers to nominate him for a Special Contribution to the School Award. 286

Equipment / Items

• Wand — used for precise potion work, combat magic, and Transfiguration. 204 222
• Half-Blood Prince's annotated Advanced Potion-Making textbook — Snape passes the battered book to Silan while falsely attributing it to a “friend.” 174
• Private potion storeroom — holds premium ingredients, including aconite powder, Angelica, Moonstone Powder, Billywig stingers, and Tonguefire Grass seeds. 93 191
• Felix Felicis — secretly gives Silan a vial as purported payment and a precaution regarding the Basilisk. 287
• Basilisk-remains box — used with Dumbledore to convince Minister Fudge that the Basilisk has been destroyed. 266

Relationships

• Albus Dumbledore — colleague and covert ally. Snape assists Dumbledore during the confrontation with Quirrell and cooperates in deceiving Fudge about the Basilisk's fate; he also resents Dumbledore's repeated refusal to appoint him Defense Against the Dark Arts professor. 119 122 157 266
• Silan Prewett — student and increasingly favored protégé. Snape challenges Silan early, later gives him valuable ingredients, private instruction, advanced counterspells, Felix Felicis, and public recognition. 21 93 173 210 286 287
• Harry Potter — strained student-teacher relationship shaped by Snape's grief and hatred connected to Lily and James. Snape regularly berates Harry, yet still recruits him for the dueling team and orders him to evacuate during Lockhart's attack. 21 72 208 248
• Hermione Granger — capable student whom Snape acknowledges with House points; he also reassures her when she fears for Silan after the Great Hall battle. 136 256
• Gilderoy Lockhart — professional rival Snape considers an empty, fraudulent fool. Their hostility escalates from a dueling demonstration to a lethal confrontation after Lockhart attacks students. 204 206 246 247
• Lily — Snape's lost Gryffindor friend. Silan and Hermione's closeness reminds him of his past with her. 21 72

Story Role / Major Arcs

First-Year Potions and the Philosopher's Stone

Snape begins the year by establishing an intimidating Potions classroom, targeting Harry with advanced questions while challenging Silan to demonstrate his alleged prodigy status under reduced ingredients. 21

He is injured while dealing with Fluffy but recovers using Dittany leaves Silan gave him. During the Philosopher's Stone crisis, he joins Dumbledore in monitoring Harry and Quirrell, then escorts the injured Quirrell to St. Mungo's after Dumbledore defeats him. 64 119 122

Christmas Gift and Developing Favoritism

After summoning Silan to his office, Snape disguises a gift of high-quality potion ingredients as “scraps” to be discarded. He stiffly returns Silan's Christmas greeting, astonishing the students waiting outside. 93

Private Lessons and the Half-Blood Prince

During Silan's second year, Snape begins private Potions instruction. He teaches specialized brewing methods, gives Silan the Half-Blood Prince's annotated textbook, and challenges him to prove his worth as a Slytherin. 173 174 191

Snape later discovers that Silan has learned every spell in the textbook within days. Impressed, he teaches the corresponding counterspells and discusses Dark Magic as an artificial classification rather than inherently corrupting magic. 210

Dueling Club Rivalry

Lockhart's unexpected ability to block Snape's opening Disarming Charm humiliates Snape during a public demonstration. Determined to secure “absolute victory,” Snape recruits Silan, Harry, and Malfoy for his team and personally trains them. 204 206 208

After Silan's performance helps establish Snape's superiority over Lockhart, students credit Snape's teaching for Silan's formidable magic. 219

Lockhart's Attack and the Basilisk Crisis

When Lockhart, possessed by Tom Riddle, attacks Hogwarts students with Dark Magic, Snape assumes command of the evacuation and duels him while protecting the students. He identifies the danger of Lockhart's magic, survives the Killing Curse, and uses Sectumsempra in response. 247 248

Snape continues fighting Lockhart while Silan and the other professors address the Basilisk. Afterward, he searches Lockhart's office for Dark artifacts and participates in Dumbledore's deception of the Ministry, presenting false Basilisk remains to Fudge. 250 256 266

Mandrake Revival Potion and Soul-Magic Inquiry

Snape enlists Silan as an assistant for the Mandrake Revival Potion, trusting him to perform a delicate sealing procedure usually reserved for experienced potioneers. He awards Slytherin seventy points for the work and openly takes pride in Silan's ability. 284 286

When Silan asks about soul-strengthening potions in relation to the Basilisk's gaze, Snape warns him against pursuing dangers beyond his control but secretly provides Felix Felicis as protection. 287

Notable Quotes

“I only want absolute victory.” 206

“Dark Magic is not a magical concept, but an artificial classification.” 210

“With me here, failure is impossible.” 284

Trivia

• Snape refuses to acknowledge that the Half-Blood Prince's textbook is his, repeatedly calling its owner his “friend.” 174 191
• Students commonly compare him to a bat because of his black robes, greasy hair, silent movement, and gloomy demeanor. 21 71 92
• Snape's reputation is valuable enough that George and Fred use his name to raise the selling price of Silan's Hemostatic Healing Potions. 198