The term ‘Magical Chain’ (alias: magnetic-chain) appears in the depth-psychology corpus at the intersection of several interrelated preoccupations: the metaphysics of attraction, the transmission of numinous influence across a linked series of beings or substances, and the structural analogy between magnetic force and psychic contagion. Jung’s treatment in ‘Aion’ is pivotal: he traces how the alchemical tradition transferred the mysterious arresting power of the Echeneis fish onto the magnet, and then reconceived this magnetic attraction as an interior property that man himself possesses, drawing the archetypal center toward consciousness. Von Franz elaborates the theme within the Neoplatonic-hermetic lineage, showing how imaginal or psychoid intermediaries make possible the magical influencing of matter through concentrated inner states — a doctrine transmitted from Ibn Sina through Renaissance magicians such as Ficino and Bruno. The Platonic root is Plato’s ‘Ion’, where the Muse’s inspiration passes like a magnetic chain through poet to rhapsode to audience. Jung’s historical psychiatry in the Symbolic Life situates ‘animal magnetism’ as a predecessor of hypnosis, demystifying but not dissolving the chain-metaphor’s psychological depth. The cluster of related concepts — magnet, magnes, lapis, archetypal attraction, numinosity, somnambulism — reveals why the magical chain matters to depth psychology: it models how unconscious contents exert gravitational pull across the threshold between psyche and world.