Within the depth-psychology corpus, ‘Divine Water’ (aqua divina, θεῖον ὕδωρ) functions as one of alchemy’s most densely charged archetypal symbols — simultaneously a cosmological first principle, a psychic totality image, and a transformative agent directly analogous to Mercurius. Jung establishes it as the aqua permanens of Greek alchemy, documented from Zosimos of Panopolis onward, where it is declared the ‘whole’ from which everything originates and through which everything is known. Its paradoxical nature — at once silver water, living spirit, destructive force, and elixir of resurrection — marks it as a coniunctio symbol prior to the coniunctio itself. Edinger reads the divine water through the lens of clinical experience, noting its recurrent appearance in dreams as liquid of ‘strange or unusual quality’ and connecting it explicitly to Christ’s living water in John 4. Von Franz, working through the Aurora Consurgens, maps the divine water onto the figure of the Holy Spirit and identifies it with ‘spiritual blood,’ the soul’s medium. Abraham’s lexicographical survey catalogues its many aliases — aqua vitae, aqua permanens, mercurial water, dry water — and situates them in the broader operations of solutio and transformation. Miller extends the symbol laterally into the concept of a ‘holy mystery of water,’ the humidum radicale underpinning all genuine humor and spirit. The primary tension across these voices is whether the divine water is properly ontological (a substance of the cosmos) or strictly symbolic (a projection of the unconscious); Jung holds both positions simultaneously.