Prof. Cassiopeia Black II

 Cassie Black a.k.a. The Girl Who Loved A Monster

Biographical information

Full Name

Cassiopeia Walburga Black II

Namesake(s)

• Cassiopeia Black I

• Walburga Black

Nickname(s)

• Cassie (by her companions)

• Cas (by Harry mainly)

• Black (by mostly Slytherin's fellow trainees and other house trainees)

• Ms. Black (by teachers at Hogwarts)

• Darling, Love (by Tom Riddle only)

Date of Birth

13 September 1979, London, England, Great Britain

Blood status

Pure-blood

Marital status

Married

Nationality

British

Also known as

• The Girl Who Survived the Killing Curse

• The Kind-Hearted Slytherin

Title(s)

• Prefect

• Head Girl

Past life

Rose Lestrange

Current Status

Alive

Physical information

Species

Human (wizard)

Level

Upper

Gender

Female

Hair colour

Dark Brown

Skin colour

Light

Family information

Children

• Sirius Regulus Riddle (eldest son)

• Merope Elizabeth Riddle II (youngest daughter)

Siblings

Draco Lucius Malfoy (adoptive brother)

Parents

• Regulus A. Black II † (biological father)

• Elizabeth Lestrange † (biological mother)

• Lucius Malfoy (adoptive father)

• Narcissa Black-Malfoy (adoptive mother)

Cousins

• Bellatrix "Bella" Black-Lestrange † (paternal cousin once removed)

• Narcissa "Cissy" Black-Malfoy (paternal cousin once removed)

• Andromeda Black-Tonks (paternal cousin once removed)

• Nymphadora Tonks-Lupin (paternal second cousin once removed/adoptive maternal cousin)

• Draco Lucius Malfoy (paternal second cousin once removed)

• Rodolphus Lestrange (maternal first cousin, once removed)

• Rabastan Lestrange † (maternal first cousin, once removed)

• Rosaline Clarisse "Rose" Lestrange † (maternal first cousin twice removed)

• Cyrus Lestrange † (maternal first cousin twice removed)

Uncles/Aunts

• Sirius Black III † (paternal biological uncle)

• Bellatrix "Bella" Black-Lestrange † (adoptive maternal aunt)

• Andromeda Black-Tonks (adoptive maternal aunt)

• Rodolphus Lestrange (adoptive maternal uncle)

• Edward "Ted" Tonks (adoptive maternal uncle)

In-laws

• Remus John Lupin (cousin-in-law, once removed)

• Astoria Greengrass-Malfoy † (cousin-in-law, once removed/adoptive sister-in-law)

Grandparents

• Walburga Black † (paternal grandmother)

• Orion Black † (paternal grandfather)

• Victoria Lestrange † (maternal grandmother)

• Edmund Lestrange † (maternal grandfather)

• Druella Rosier † (adoptive maternal grandmother)

• Cygnus Black III † (adoptive maternal grandfather)

• Abraxas Malfoy † (adoptive paternal grandfather)

Guardian(s)

• Lucius Malfoy (former legal guardian)

• Narcissa Malfoy (former legal guardian)

Relationships

Supporters/Companions

• Draco Malfoy (closest bond/brother figure)
• Harry Potter (best friend)
• Ron Weasley (best friend)
• Hermione Granger (best friend)
• Tom Riddle (love interest)
• Albus Dumbledore (former headmaster)
• Lucius Malfoy II (former custodian)
• Narcissa Malfoy (former custodian)
• Sirius Black III † (her uncle)
• Pansy Parkinson (friend/former roommate)
• Molly Weasley (closest)
• Arthur Weasley (closest)
• Fred and George Weasley (closest)
• Ginny Weasley (closest friend)
• Luna Lovegood (closest friend)

Romances

• Tom Riddle (spouse/soulmate)

• Draco Malfoy (former Yule Ball date)

• Theodore Nott (ex-boyfriend)

Enemies

• Bellatrix Black-Lestrange † (tortured her, but Tom prevented her and obliterated her memories)

• Death Eaters

• Prof. Dolores Umbridge (was incarcerated in Azkaban)

Magical characteristics

Powers/skills

• Healing Magic
• Defence Against the Dark Arts
• Potions
• Charms
• Duelling
• Occlumency
• Flying
• Transfiguration
• Dark Arts (conceivably)
• Wandless Magic

Boggart

A dark version of herself (she was dreading glimpsing herself as a dark wizard)

Wand

12½", willow, phoenix feather

Patronus

Phoenix

Affiliation

Occupation

• Potion Master at Hogwarts School of Witchcraft and Wizardry (nowadays)

• Order Member (shortly)

• Hogwarts Student (previously)

School

Hogwarts School of Witchcraft and Wizardry (1991 - 1998; graduated)

House

Slytherin

Loyalty

• House of Black

• Malfoy family

• Hogwarts School of Witchcraft and Wizardry

• Slytherin

• Slug Club

• Dumbledore's Army (1995 - 1998)

• Riddle family (in-laws)

• Albus Dumbledore

• Order of the Phoenix

• House of Weasley

• Potter family

Cassiopeia Black II is a pure-blood wizard and a member of the House of Black. She was born to pure-blood wizards Regulus Black II and Elizabeth Lestrange.

Biography

Early life (1980s)

Cassiopeia was born on September 13, 1979, to Regulus Black II and Elizabeth Lestrange, both of whom were pure-blood wizards. Tragically, her mother passed during delivery, and her father was slaughtered later that same year after he received Salazar Slytherin's locket. As a result, Cassiopeia never knew her parents. She was raised by her paternal family, Narcissa and Lucius Malfoy, who adored and treated her like their own child. Narcissa had always desired a daughter, and having Cassiopeia was a real gift for her.

 

From a young age, Cassiopeia started encountering odd visions about a boy named Tom Riddle, which she found troubling since she had never encountered or heard of him before.

Hogwarts years (1991–1997)

Cassie was sorted into Slytherin, just like her parents, and was nominated Head Girl instantly. After her sorting, she shared a dormitory with Pansy Parkinson, Daphne Greengrass, Tracey Davis, and Daphne's younger sister, Astoria Greengrass. Despite being in Slytherin, Cassie formed good friendships with Gryffindor students such as Harry Potter, Ron Weasley, and Hermione Granger. She also held close friendships with her fellow Slytherins, including Draco Malfoy, Blaise Zabini, Pansy Parkinson, and Daphne Greengrass.

 

Cassie enjoyed her time at Hogwarts and took her lessons, classes, and school rules very seriously. Originally, her favored subjects were Potions, but later she developed a desire for Defence Against the Dark Arts. Unlike her father, who was a member of the Quidditch team, Cassie did not want to play; she decided to watch others play from the stands, much like her friend Hermione. However, when a model member fell suffering during a school play, Cassie stepped in and proved to be an exceptionally experienced entertainer.

Magical abilities and skills

• Charms: Cassie was exceptionally talented with charm-work, and some of her most impressive magical feats were charms.

• Defence Against the Dark Arts: Cassie was skilled in this subject as she was able to achieve an 'Exceeds Expectations' in her O.W.L. In her fifth year with Dumbledore's Army, Cassie not only grasped the spells taught by Harry but truly excelled in them. She skillfully mastered the Bombardment Spell, the Bat-Bogey Hex, and a range of other offensive and defensive spells. Her ability to wield powerful spells like the Conjunctivitis Curse demonstrates her exceptional talent and determination in becoming a formidable witch.

• Dark Arts: Cassie was surprisingly skilful in dark magic and in the casting of dark charms. She was able to cast the Stinging Hex, Blasting Curse, and Full Body-Bind Curse. She successfully cast a Cruciatus Curse on Antonin Dolohov, who held Hermione hostage once to save her.

• Potions: Cassie was exceptionally gifted in the field of potion-making. She was able to identify potions and their effects quickly after having only read about them. Once, she changed her hair color to blonde by using the Hair-Dyeing Potion. Later in life, she became Potion Master after Prof. Slughorn left.

• Healing magic: Cassie had special skills and understanding of healing magic. 

• Duelling: Cassie demonstrated her exemplary abilities in martial magic on numerous occasions, showing remarkable duelling skill for her age.

• Wandless and nonverbal magic: Cassie became highly skilled at non-verbal magic in her sixth year, being the first to succeed at it in her Defence Against the Dark Arts class and quickly becoming so good at non-verbal incantations that she did not need to say the incantations aloud for a wide variety of spells. She was known to have practised wandless magic in her years at Hogwarts.

• Apparition: Cassie was the first in her class to Apparate successfully, performing Apparition twice in that time and passing her test on the first shot.

• Transfiguration: Cassie was incredibly talented in transfiguration. 

• Occlumency: Cassie was a highly skilled Occlumens, being able to successfully deceive an incredibly skilled Legilimens, Voldemort.
  

Relationships

Family:

Parents

Elizabeth is Cassie's mum. She gave birth to Cassie but never had the chance to see her grow up, as she passed during delivery. However, Elizabeth was able to see Cassie in the hereafter after Cassie shortly passed but was brought back to life.

 

According to Dumbledore, Lizzie was his favored learner and had an outstanding memory, especially in History.

Regulus was Cassie's dad. He attended Hogwarts in the 1970s and was sorted into Slytherin, where he was in a relationship with Elizabeth Lestrange, whom he valued and vowed to marry. Tragically, he failed while endeavoring to eliminate the Slytherin locket, and Lizzie passed away the next year.

Husband and Children

Tom Riddle

During her time at Hogwarts, Cassie had a secret lover named Tom. Originally, he was just a figment of her vision, but after Voldemort's sudden disappearance, he became real.

 

Once she made a vow to Harry and the Death Eaters evaporated, Cassie and Tom got wed and began an everyday life together.

 

Ultimately, they bore two sons: Sirius, named after her late uncle, and Regulus, named after her late father. They also had a daughter, Merope, named after Tom's deceased mum, with the middle name Elizabeth, in honor of Cassie's own late mom.

Merope Riddle II

Merope II is the only daughter and second child of Tom and Cassie. She has an older brother named Sirius, who is much older than her.

Other relatives:

Malfoy family (closest family bond)

The Malfoy family includes Cassie's remote paternal cousins, who brought her in after her mother passed during delivery. Narcissa and Lucius assumed Cassie and served as her lawful caretakers until she turned 18.

Sirius Black III (closest family bond)

Sirius was Cassie's paternal uncle. Cassie often stayed at his mansion whenever the Dark Lord was at Malfoy Manor, as Narcissa and Lucius were worried for her protection in that environment.

 

Later on, Cassie caught the moment when her uncle Sirius was slaughtered by Bellatrix.

Walburga and Orion Black

Orion and Walburga were Cassie's grandparents. 

Walburga may have seen Cassiopeia but not Orion, as he passed away in 1979.

Outside family

Friends:

Harry Potter (best friend/former classmate)

Cassiopeia: "I believe you, Harry."

Harry Potter: "Thank you, Cas. It’s encouraging to learn that at least somebody believes me!"

                                                               — Cassie and Harry are speaking about being thrown his name out of the Goblet of Fire.

Harry was Cassie's close friend during their years at Hogwarts. 

 

They became friends in either the second year or before, but their bond developed stronger in the third year when she assisted the Trio in rescuing Sirius Black. During that time, she uncovered that she had an uncle on her paternal side.

Ron Weasley

Cassiopeia: "I apprehend that you don't trust me, but..."

Ron Weasley: "Well, I don’t agree. After all, you are Malfoy."

Cassiopeia: "I am separate from them!"

— Ron's suspicion of Cassiopeia.

Ron is Cassie's friend during her years at Hogwarts. Originally, they weren't close because she was a Slytherin and a member of the Malfoy family, which caused Ron to doubt her.

Hermione Granger (best friend/former classmate)

 Hermione is a close friend of Cassie from their Hogwarts years. They were very close and shared a passion for books. Usually, they studied together in the library when they had assignments.

Pansy Parkinson (best friend/former classmate)

Cassiopeia: "They are not rivals, Pansy."

         Pansy Parkinson: "They are mine at least!"

— Pansy and Cassie are speaking about the Trio.

Pansy was Cassie's roommate in Slytherin's house. They are besties; nevertheless, Pansy despises hanging around with Potter, Weasley, and Granger.

Draco Malfoy (closest friend/former classmate)

Draco Malfoy: "Are you attempting to generate trouble by associating with Potter and his friends?"

Cassiopeia: "No, but you create more trouble for us if you associate with the wrong friends!"

— Cassie tells Draco about the Trio and chooses more appropriate friends.

Draco is Cassie's paternal cousin, and they share a close bond after being sorted into Slytherin together. He mainly despises it when she spends time with the Trio. Cassie was his date for the Triwizard Tournament on Christmas Day.

 

Draco's parents expected an arranged marriage between them; nevertheless, Cassie disagrees with this ideal because she considers him more of a brother than a romantic partner. Besides, she is in love with someone else—Tom Riddle.

Enemies:

Death Eaters

They were enemies of the entire wizarding world. Primarily, they killed Muggle families because Voldemort despised his Muggle father for abandoning his mother while she was pregnant. Cassie's family had been loyal to Voldemort; however, Cassie loathed them because they murdered innocent people and families.

 

After Voldemort's defeat and Tom's return, the Death Eaters vanished. Tom made an Unbreakable Vow with Harry Potter to never resurrect the Death Eaters or resume his reign of evil.