Slytherin

Biodata

Feature	Details
Name	Salazar Slytherin (斯莱特林)
Alias(es)	Dark Wizard King 255
Species/Race	Wizard
Gender	Male
Affiliation	Co-founder of Hogwarts; founder and namesake of Slytherin House 22
Occupation/Role	Hogwarts founder; master of Parseltongue magic, Legilimency, and the Dark Arts 270
Status	Unknown; an ancient wizard held beneath Knockturn Alley is presumed to be Slytherin 151
First Appearance	Chapter 22 (reference)

Background / History

During the medieval persecution of wizards, Slytherin led pure-blood wizards under a banner of protecting wizarding heritage from Muggles. He later founded Hogwarts alongside Gryffindor, Ravenclaw, and Hufflepuff, opening the school to a broader magical population and preserving magical knowledge across generations. 22

Slytherin eventually left Hogwarts over ideological differences. Before departing, he concealed the Chamber of Secrets for descendants who inherited his will, reportedly intending it as a means to purge Muggle-born wizards. Ravenclaw discovered the Chamber in the same year; after considering Slytherin's contribution to Hogwarts, the other founders chose to preserve it as a contingency. 101 257

His bloodline carried the gift of Parseltongue, which was necessary to perform his specialized serpent magic. As the bloodline weakened over time, this branch of magic was lost. 66

Slytherin appears to have hidden a larger inheritance beyond the Chamber of Secrets and its Basilisk. His locket contained Parseltongue magic, a Basilisk phantom spell, and a map to an inheritance site in Ireland. The site held an emblem bearing his original family crest and preserved his memories for a blood-related successor capable of activating it. 245 253 254

The inheritance was apparently prepared in haste: Slytherin left behind both his wand and locket rather than passing them directly to his descendants. Skylar speculates that Slytherin faced an enemy powerful enough to prevent his return. 257

Personality / Ideology

Slytherin's early pure-blood ideology was framed as a response to Muggle persecution and a desire to safeguard the wizarding population. His later legacy, however, reflects a far harsher view of bloodline and Muggle-born wizards. 22 101

He is remembered as ambitious, ruthless, and highly secretive. The hidden Chamber, lethal Basilisk, memory-based inheritance, and dangerous sealing arts demonstrate a willingness to leave behind powerful safeguards for those who inherited his beliefs. 151 257 260

Abilities & Skills

Parseltongue Magic

Slytherin was a Parseltongue whose serpent-related spells depended on Parseltongue pronunciation.

• His bloodline bestowed the talent required to use this magic. 66
• The magic was lost after his bloodline declined. 66
• His serpent magic, used together with his wand, made him “practically unstoppable” according to Hogwarts records. 219

Legilimency and Mind Magic

Slytherin excelled at Legilimency and the Dark Arts. 270

• His ultimate art, Snake Eyes, can manipulate, alter, and fabricate memories. 257
• His inheritance can be accessed through blood and Legilimency, transmitting preserved memories to a qualified successor. 254

Serpent Command

Slytherin's inheritance grants authority over magical serpents and Sprites.

• Skylar gains the capacity to rule magical serpents and Sprites after receiving the inheritance. 257
• The Chamber of Secrets was guarded by a Basilisk, a five-star-danger magical creature. 257

Sealing Magic

Stone steles within Slytherin's inheritance preserve six powerful spells, including the Eight Serpents Sealing Technique.

• The technique can seal all species. 260
• Casting it consumes half of the caster's lifespan. 260
• Vile Herpo is later held by the Eight Serpents Sealing Technique. 437

Inheritance and Artifacts

• Chamber of Secrets — A concealed Hogwarts chamber intended for Slytherin's ideological heirs; it housed a Basilisk and further clues to his legacy. 101 253
• Slytherin's Locket — Activated only through Parseltongue; contains a Basilisk phantom spell and a map to his inheritance. 245 253
• Snakewood Basilisk-Horn Wand — Slytherin's wand, made from North American snakewood and Basilisk horn. 219 237
• Serpent Tongue Stone Tablets — Tablets inscribed with Slytherin's magic; their devouring power can absorb death energy and convert it into bloodline power for a compatible user. 260 301
• Slytherin's original family crest — A concealed magical emblem in Witch Valley that requires blood and Legilimency to activate. 254

Relationships

• Godric Gryffindor — Fellow Hogwarts founder and the founder Slytherin was considered most dangerous by Gryffindor. 424
• Rowena Ravenclaw — Fellow founder who located the Chamber of Secrets after Slytherin left Hogwarts. 101
• Helga Hufflepuff — Fellow Hogwarts founder. 22
• The other Hogwarts founders — They preserved Slytherin's Chamber despite knowing of it, treating it as a possible contingency for the wizarding world. 101
• House Gaunt — Slytherin's descendant line; its later division into branches prevented the family from receiving his inheritance. 257
• Skylar Malfoy — Successor who unlocks Slytherin's locket, inheritance site, memories, Snake Eyes, and serpent-related authority. 245 254 257
• Vile Herpo — An ancient adversary who addresses Slytherin as someone who had previously opposed him. 443

Story Role / Major Arcs

Hogwarts Legacy

Slytherin's historical actions shape Hogwarts long after his departure. The Chamber of Secrets, the Basilisk, and the stigma surrounding Slytherin House remain central consequences of his legacy. 101 252

The Hidden Inheritance

Skylar learns that Slytherin's legacy extends beyond the Chamber after opening the locket through borrowed Parseltongue. The map leads him to Witch Valley in Ireland, where he activates Slytherin's crest and receives his memories. 245 253 254

Succession of Serpent Arts

Skylar inherits Snake Eyes, serpent and Sprite authority, and the contents of Slytherin's stone steles. These powers make Slytherin's unfinished legacy an active force in the present. 257 260

Ancient Threats

Slytherin's apparent disappearance and preparations suggest that he faced an overwhelming enemy. Herpo's later return and hostile declaration toward Slytherin connect that ancient conflict to the present-day plot. 257 443