We Have Always Lived in the Castle symbol guide
Poison first appears as Merricat’s cherished “deathcup mushroom,” joining death to nature, knowledge, and identity. It later turns food and tea into signs of broken trust, suggesting that care within the home can also carry fear, secrecy, and revenge.
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Why does poison remain more than a method of death in the Blackwood world? From Merricat’s fondness for the “deathcup mushroom” to the villagers’ warning, “you’ll poison me,” it turns food, care, and domestic safety into sources of suspicion. Does poison protect the sisters from outsiders, or reveal how deeply fear and revenge have shaped their idea of home?
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