The lantern appears in depth-psychological literature as a polysemous image distributed across several distinct but overlapping registers: initiatory wisdom, epistemological illumination, the frailty of consciousness, and protective orientation in darkness. Its most concentrated treatment occurs in Tarot commentary, where the Hermit’s lantern becomes the central symbol of experiential knowledge held aloft for others — knowledge that is simultaneously esoteric and pedagogical, active and receptive. Jodorowsky reads its ambivalence with characteristic precision: the lantern may be an offering to the deity or a beacon for the disciple, and it may be an hourglass in disguise. Snell and Padel recover the pre-Socratic root of the image in Empedocles’ comparison of the eye to a lantern: fire contained in membrane, shining outward — a figure that fuses optics, cognition, and the inner light of intellect into one compressed metaphor. Von Franz extends this into Jung’s biographical psychology: the ego’s ‘storm-lantern’ names the limited, bounded luminosity of individual consciousness set against the vast background of the collective unconscious. Estes deploys the lantern in fairy-tale analysis as the last ember of vital orientation carried by a figure at the threshold of transformation. Across all these contexts the lantern unifies darkness, directed light, the solitude of the knower, and the precariousness of consciousness — making it a pivotal symbol for the depth-psychological understanding of individuation, guidance, and the boundaries of awareness.