Initiation — as the depth-psychology corpus treats it — is far more than a social rite of passage; it is the structural grammar by which the psyche crosses thresholds of fundamental transformation. The dominant voice in the Seba library is Mircea Eliade, whose exhaustive comparative phenomenology in Shamanism: Archaic Techniques of Ecstasy (1951) establishes the paradigmatic architecture: dismemberment and renewal, death and resurrection, celestial ascent, descent to underworld, revelation of sacred mysteries, and rigorous didactic apprenticeship under an accredited master. Eliade insists that what matters is not the point of departure for shamanic powers — heredity, spontaneous vocation, or voluntary quest — but the technique and its underlying theory, transmitted through initiation. The pattern recurs across Siberia, North and South America, Australia, and Indonesia with remarkable morphological consistency, suggesting a universal initiatory scenario rather than a set of discrete local customs. Clarissa Pinkola Estés imports the initiatory schema into depth-psychological work with the feminine psyche, reading figures such as Vasalisa as emblems of a woman’s need to let die what must die before genuine inner knowing can emerge. Kerényi’s iconographic work on Dionysian mysteries at the Villa dei Misteri adds a Greco-Roman stratum, where initiation by mirroring the mask marks the candidate’s encounter with archetypal reality. The corpus thus holds initiation as the master-metaphor for psychic transformation: the threshold experience that separates the novice from the adept, the profane from the sacred, the ego from a wider Self.