Soul projection occupies a central position in the depth-psychological literature as the mechanism by which the unconscious soul-image — principally the anima or animus — is externalised upon a real person, investing that person with numinous compulsion, fascination, or dread. Jung’s foundational account in Psychological Types establishes the governing logic: where the individual remains identified with the persona, the soul remains unconscious, and the soul-image is therefore transferred onto an outer object, producing affects of intense love or hate that resist conscious modulation. The projection is not pathological in itself — Samuels and Vaughan-Lee both note its developmental necessity, as it allows encounter with otherwise inaccessible unconscious potential — but becomes problematic when it persists beyond its usefulness, blocking integration and locking relational energy in the outer field. Hillman complicates the picture by questioning whether the therapeutic injunction to ‘withdraw projections’ does not itself impoverish soul-life, privileging reflective distance over passionate immersion. Von Franz and Edinger anchor the clinical stakes: soul projection drives the transference and, if the Self-projection onto the analyst is not eventually dissolved, the patient remains in helpless dependence. Neumann locates the phenomenon within the larger evolutionary narrative of consciousness, while the alchemical corpus, as read by Jung, discloses soul projection operating cosmologically — archetypes cast onto matter, nature, and the divine.