Saturno occupies a densely layered position within the depth-psychology corpus, functioning simultaneously as planetary archetype, mythological figure, alchemical base-material, and characterological principle. The primary tension in the literature runs between Saturno as malefic constraint — lord of melancholy, black bile, decay, and the devouring father — and Saturno as the indispensable precondition for depth, contemplation, and the highest reaches of intellectual consciousness. Hillman establishes the foundational polarity through the Crono-Saturno dyad, reading the figure as inseparable from the Senex archetype: cold, peripheral, structuring, prone to scission from the Puer yet requiring reunification with it for psychological wholeness. Moore, following Ficino, elevates Saturno toward the Mens — the soul’s highest contemplative faculty — while simultaneously insisting on his role as the carrier of atra bilis, putrefaction, and death. Greene introduces a redemptive inversion, identifying Saturno with the Lucifer-function: the bearer of light whose severity is the instrument of self-knowledge. Cunningham, from within the astrological tradition proper, advocates a reclamation of Saturn as benefic through conscious engagement with the Reality Principle. What unites these voices is the shared recognition that Saturno cannot be evaded without psychic cost, and that his integration — whether through alchemical transmutation, Ficinian contemplation, or the healing of the Puer-Senex split — constitutes one of depth psychology’s central therapeutic and symbolic imperatives.