The axis mundi — the cosmic pillar, sacred mountain, or world-tree that joins heaven, earth, and underworld at the center of the created cosmos — appears in the depth-psychology corpus as one of the most densely attested of all orienting symbols. Eliade provides the conceptual architecture: the axis mundi is not merely a cosmological diagram but the precondition for habitable space itself, the ‘break in plane’ through which communication among the three cosmic zones becomes possible. Without it, territory cannot be consecrated; without consecration, a world cannot be inhabited. Campbell receives this structure and amplifies it mythically, tracing the axis through Mesoamerican world-directional trees, the Cross of Calvary planted atop Adam’s skull, and the Mesopotamian cosmological pillar — each a culturally specific instantiation of the same orienting compulsion. In shamanic literature (Eliade, Shamanism), the axis appears as the cosmic pillar or sacred tree the shaman ascends and descends during ecstatic journeys. Campbell further identifies the term explicitly with what he calls ‘the single still point,’ linking it to the psychologized notion of the Self as center. The symbol’s persistence across archaic, classical, and modern religious material makes it an index of what Eliade calls the ‘prestige of the Center’ — the universal human need to locate oneself at the navel of a meaningful cosmos.