The Animal is a novel that moves between Decadentism and Symbolism, exploring the darkest aspects of the human psyche. The protagonist, Laure Lordès, is a restless and tormented young woman, raised in a stifling environment that has shaped her relationship with desire, violence, and identity. Her morbid attraction to the cat Lion, a symbol of a primal and animalistic obsession, evolves into a twisted bond where the boundaries between human and beast dissolve. The novel follows her slow metamorphosis, her gradual abandonment of rationality and morality, leading to a tragic and surreal climax in which woman and animal merge completely. Rachilde employs a sensual and visionary prose, filled with hallucinatory imagery and an intense narrative that evokes the atmosphere of authors such as Baudelaire and Huysmans. The Animal reflects themes of inner bestiality, forbidden desire, and self-destruction—key elements of French Decadentism. Through Laure, the author explores the female condition in a male-dominated world, suggesting an inevitable struggle between repressed instincts and social norms. The novel stands out for its erotic symbolism and its bold approach to sexuality and violence. Rachilde is the pseudonym of Marguerite Eymery (1860–1953), a French writer considered one of the most controversial figures of Decadent literature. Known for her rebellious personality and unconventional ideas, she referred to herself as "a man of letters" and defied the norms of her time with works that explored gender, identity, and female sexuality. Among her most famous novels, in addition to The Animal, are Monsieur Vénus (1884), which centers on a gender role reversal within a morbid relationship, and La Marquise de Sade (1887), a tribute to the Sadean aesthetic. Her career intertwined with the most provocative literary circles of her time, solidifying her reputation as one of the boldest voices of French Decadentism.