She exhibits most powers generally associated with vampires such as heightened agility and strength. Lonely, snarky and guarded, Jenna is an outcast at Hex Hall due to her inherently violent nature as a vampire.

A lesbian girl, Jenna was bitten by a vampire girl who she had fallen in love with who was later killed by The Eye. Jennifer 'Jenna' Talbot Sophie's best friend and roommate. Sarcastic, clumsy, and lazy, Sophie struggles to control her powers and avoid succumbing to her true nature as a demon. She finds herself caught up in a love triangle between Archer Cross and Alexander Callahan. Upon attending Hex Hall, Sophie became close friends with her roommate, Jenna Talbot, the school's outcast. In order to keep Sophie a secret from her mother's family, the two were forced to move quite frequently. After Sophie's mother discovered that her father was a warlock, they split up and Sophie lived solely with her mother. Sophia 'Sophie' Mercer/Atherton/Brannick The narrator of the trilogy, who was sent to live at Hex Hall after a string of spells went disastrously wrong. Hex Hall has a large supporting cast of characters, whose plot significance varies by book. Along with all of this she also meets an enemy As the trilogy progresses, Sophie discovers more about herself, powers, and the mystery behind her family's origins. Through a series of events, Sophie gets caught up in the secret war going on between the Prodigium and a group of humans who believe the Prodigium should be destroyed. Sophie also gets swept up in a love triangle involving Archer, the school's resident bad boy, and Cal, her betrothed. An awkward, sarcastic girl, she becomes best friends with her vampire roommate, Jenna Talbot, who is an outcast like her.

The trilogy follows the exploits of Sophie Mercer, a young witch, who is sent to Hecate Hall ('Hex Hall'), a boarding school for Prodigium juvenile delinquents.

While there, she gets caught up in the ongoing war between the Prodigium and the human organizations who seek to eradicate them from the world.

The trilogy is centered on Sophie Mercer, a sixteen-year-old witch who is sent to Hecate Hall (nicknamed 'Hex Hall'), a boarding school for magical beings, after a string of disastrous spells gone wrong. Hex Hall is a best-selling trilogy of young adult paranormal romance novels by American author Rachel Hawkins.

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