We Have Always Lived in the Castle character guide
Mary Katherine Blackwood, known as Merricat, is an imaginative, watchful eighteen-year-old whose fierce devotion to Constance shapes her world. She uses “magic” and guarded routines to resist the hostile village, making her both a protective sister and an unsettlingly private guide.
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Is Merricat truly protecting Constance, or is she protecting the closed world they have built together? Her loyalty, imagination, and fear of outsiders make her seem brave and caring, yet her “magic” also raises difficult questions about control, responsibility, and whether love can become another way of keeping someone trapped.
The full We Have Always Lived in the Castle guide brings together scenes, characters, themes, and verified quotations.
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