Descent, in the depth-psychological corpus, names far more than spatial movement downward: it designates a necessary psychic event, a plunge into unconscious strata, chthonic realms, and initiatory darkness that the ego must undergo if transformation is to occur. The term gathers around it an extraordinary range of voices. Jung frames descent as the alchemical nigredo, the confrontation with the inferior function, and the soul’s encounter with what is archaic and formless beneath ordinary consciousness — the nekyia. Hillman radicalizes this orientation, arguing that descent toward the underworld is itself the telos of soul-making, not a phase to be overcome. Estes reads descent as the archetypal core of feminine initiation, the deliberate return to the instinctual ground coded in myths such as Demeter-Persephone. Bly applies the motif to masculine psychology, where the ‘Drop Through the Floor’ names the necessary humiliation that awakens depth. Eliade locates descent within the shaman’s ecstatic technique, as a controlled journey to the realm of the dead. Romanyshyn treats it as the Orphic structure of genuine research, the surrender of ego-control before the deeper claim of the work. Running across all these positions is a shared insistence: descent is not pathological regression but purposive movement, dangerous yet indispensable to psychological wholeness.