Snape

Biodata

Feature	Value
Name	Severus Snape (斯内普)
Alias(es)	Snape; Professor Snape; Severus
Species/Race	Half-blood wizard 303 310
Gender	Male
Affiliation	Hogwarts School of Witchcraft and Wizardry; Slytherin House; formerly associated with Voldemort's organization 249 303 309
Occupation/Role	Potions Professor; Slytherin Head of House; Potions Master 180 249 257
Status	Active
First Appearance	Chapter 21

Background / History

Snape became one of Hogwarts' youngest professors and set a record for becoming Head of House at a young age; Professor Flitwick believes Luan Scarlett may eventually surpass it 63.

Before the novel's main events, Snape served Voldemort's organization and bore the Dark Mark on his left arm. He later became a double agent whose identity could no longer be used after Voldemort's return 309 313. His past is tied to Lily Evans, whom he loved; his failure to save her remains central to his guilt and his protection of Harry Potter 310 314.

At Hogwarts, Snape repeatedly warns Dumbledore that Quirrell is suspicious and that the Philosopher's Stone's defenses require attention. He is injured by Fluffy while investigating the protections, but treats the wound himself rather than relying on the hospital wing 67 93.

During Voldemort's attempt to seize the Philosopher's Stone, Snape navigates the defenses alongside Luan, Harry, and Voldemort's shadow. He ultimately turns on Voldemort, attempts to protect Harry, and offers himself as a host body to buy the students time to escape 309 310 311. Afterward, he and Dumbledore agree to protect both Harry and Luan; Snape proposes teaching Luan Occlumency 314.

Appearance

Snape is usually seen in dark robes and carries a slender wand. His presence is frequently described as severe or gloomy, particularly when he waits in shadowed corridors or patrols the castle 215 230.

• Limped after Fluffy bit his right leg during his investigation of the Stone's defenses 67 93.
• His gait gradually improves after the injury, though it remains uneven for a time 116.
• Uses a black, laboratory-like office for potion work and private discussions with students 179 297.

Personality

Snape is stern, sarcastic, and uncompromising in class, especially toward Gryffindor students. He frequently humiliates Harry, Ron, Neville, and other Gryffindors for poor preparation, while showing obvious favoritism toward Malfoy and Slytherin 21 71 90.

His hostility does not prevent him from recognizing competence. Snape revises his low opinion of Luan after learning that Luan subdued a troll, and later forms a pragmatic but increasingly respectful partnership with him through spell instruction, potion analysis, and ingredient trading 67 148 180.

Snape is intensely possessive of rare potion ingredients and becomes furious when he learns that Luan sold Snowberry, an extinct ingredient, without informing him. Even so, he ultimately negotiates for more rather than severing their arrangement 227 230.

Despite his harsh manner, Snape is protective of students when genuine danger arises. He defends Luan from Dark Wizards, challenges Umbridge over the Unicorn crisis, and risks himself to protect Harry and Luan from Voldemort 303 301 310.

Abilities & Skills

Potions Mastery

Snape is a highly regarded Potions Master with extensive knowledge of potion ingredients, analysis techniques, brewing methods, and medicinal magic.

• Identified components of an unknown explosive potion, including Snowberry, half-beast blood, Swamp Lily, and Roar Moss 139.
• Conducted all-night analyses of unknown potions and consulted ancient herbology and potion texts for rare materials 119.
• Uses professional potion-analysis procedures and tools; his methods influence Luan's own research 119.
• Brewed Energizing Potion, Growth Potion, and experimental Curse Inhibitor variants 179 209 249 297.
• Improved the Wolfsbane Potion, earning a Grade 3 Order of Merlin and Ministry recognition 233 301.
• Uses a brass automatic-stirring cauldron to improve efficiency in his potion work 250.
• Created individualized potion assignments disguised as herb-pouch gifts 216.

Spellcasting and Combat

Snape is a highly capable combat wizard whose spellcasting is fast, controlled, and often silent.

• Casts wandless, silent Accio with a minimal hand movement 168.
• Subdued the escaped troll using a Multiple Binding Spell and a Sleeping Potion 67.
• Uses Sectumsempra precisely enough to cut Devil's Snare without harming Harry, then catches Harry with a Levitation Charm 309.
• Casts Vulnera Sanentur to heal his own injured hand after shattering a glass in anger 227.
• Demonstrates silent Levitation and Reparo while repairing his office door 297.
• His baseline magical strength measures at five and a half Wizard Bars, equal to Professor Flitwick before either uses their specialty 257.

Spell Creation and Instruction

Snape has created original spells and is willing to exchange advanced instruction for rare ingredients.

• Teaches Luan the Cutting Curse and its counter-curse in exchange for potion ingredients 168.
• Trades his original spells for a Swamp Lily, including Sectumsempra 210.
• Explains that Sectumsempra is intended to sever magical nodes rather than target vital body parts 289.
• Offers Luan access to study the Untouchable Extension Charm in the library 210.
• Teaches advanced Potion Analysis Technique and Magic Perception Training ahead of the usual curriculum 116.
• Serves as a Dark Magic and Charms expert for the spell-experiment project 363.

Dark Magic and Mental Defense

Snape possesses advanced Dark Magic knowledge and understands its psychological costs.

• Formerly researched and made minor modifications to his own Dark Mark 309.
• Privately attempts Legilimency on Luan, but Luan's curse leaves him seeing only a hazy gray scene 366.
• Explains that Occlumency can resist mental intrusion and mitigate Dark Magic's corruptive influence 366.
• Teaches Luan the Fiendfyre Curse under the condition of regular examinations for Dark Magic corruption 366.
• Demonstrates controlled Fiendfyre as a serpent of flame, immediately dismissing it before it can strike Luan 366.
• Warns that Fiendfyre demands extraordinary focus and willpower; an unprepared caster becomes its slave 366 367.
• Describes Dark Magic as a double-edged sword that strengthens the mind while gradually damaging its user 367.

Equipment / Items

• Wand — used for potions, combat, healing, and Dark Magic 227 309 366.
• Brass automatic-stirring cauldron — assists his potion brewing 250.
• Potion-analysis tools — used to examine unknown potions and identify raw materials 119.
• Experimental Curse Inhibitor — a temporary suppressive potion offered to Luan 289 297.
• Growth Potion supplies — brewed for Luan's 3,000-year-old Spirit Tree 209 249.

Relationships

• Albus Dumbledore — Headmaster and uneasy ally. Snape challenges Dumbledore over Quirrell, Hogwarts security, and the risks of involving Harry and Luan in the Stone's defenses 67 149 313 314.
• Luan Scarlett — student, trading partner, and eventual protégée. Their relationship progresses from disciplinary tension and suspicion to exchanges of ingredients, spells, business assistance, and Dark Magic instruction 88 168 180 366.
• Harry Potter — student toward whom Snape shows open hostility, largely because of Harry's resemblance to James Potter; nevertheless, Snape protects him because of Lily Evans 28 139 310.
• Lily Evans — the woman Snape loved. His grief and regret over her death shape his decisions concerning Harry 310 366.
• Lord Voldemort — former master and adversary. Snape understands Voldemort's methods, rejects his offer to return, and resists his attempt to possess him 309 310 366.
• Draco Malfoy — favored Slytherin student. Snape protects Draco in disputes but also rebukes his reliance on family status when he panics 21 88 256.
• Minerva McGonagall — fellow Head of House who often counters or moderates Snape's treatment of Gryffindors 88 289 314.
• Rubeus Hagrid — colleague whose interruptions irritate Snape, though Snape joins him and Luan when the Unicorn crisis requires action 297.
• Dolores Umbridge — political opponent during the Unicorn crisis. Snape publicly undermines her authority and expertise in Potions and Magical Creatures 301.
• Borgin & Burkes — former associate from Voldemort's organization. Snape warns him not to harm Luan 303.

Story Role / Major Arcs

Hogwarts Potions Professor

Snape establishes himself as the feared Potions professor, favoring Malfoy while harshly questioning and penalizing Gryffindors. His classes drive many students to fear Potions, though he recognizes Luan's steady brewing technique and knowledge 21 71 90.

Investigation of the Philosopher's Stone

After being wounded by Fluffy, Snape pushes Dumbledore to strengthen the Stone's defenses and investigate Quirrell. Students initially mistake his secretive behavior and injury for evidence that he is the thief 67 93 150.

Partnership with Luan

Snape's suspicion of Luan's mysterious ingredients evolves into a calculated exchange. He trades advanced spells for marine ingredients, helps sell Luan's stock under his own name, writes him a pharmacy recommendation, and brews specialized Growth Potion for Luan's Spirit Tree 148 180 183 209.

Voldemort's Return at the Stone

Snape confronts Voldemort's shadow beneath the trapdoor. Voldemort manipulates him through Lily and Harry, attempts to take his body, and nearly succeeds before Luan's Mirror Guard intervenes. Snape then commits to protecting Harry and Luan 309 310 311 314.

Mentor in Dark Magic

Snape becomes one of Luan's principal sources of advanced and dangerous magical knowledge. He teaches Fiendfyre with strict safeguards, discusses Voldemort's history and weaknesses, and emphasizes that power without restraint corrupts the wielder 366 367.

Notable Quotes

“True power is never proven by destroying others; it's like a potion that requires patience and reverence.” 366

“At your young age! How can your mind be filled with thoughts of killing people?” 289

“Put away that condescending attitude. You can't even figure out Potions, how could you possibly understand Magical Creatures!” 301

Trivia

• Snape does not habitually use honorifics when speaking to Dumbledore, even in public 148.
• He wants the Defense Against the Dark Arts position but has repeatedly been denied it by Dumbledore 67.
• Snape's greatest visible weakness in negotiations is his inability to ignore rare or unknown potion ingredients 167 227.
• Luan compares Snape to a “noble and elegant Black Peacock,” noting that he would not resort to theft despite his habit of deducting Gryffindor points 231.