The term ‘Divine Essence’ occupies a contested and generative position across the depth-psychology corpus, functioning as both an ontological category and a limit-concept marking the boundary of human cognition. The tradition divides broadly into two camps. The first, represented most rigorously by Gregory Palamas as transmitted through the Philokalia, insists on an absolute distinction between divine essence and divine energy: the essence remains perpetually inaccessible, incommunicable, and beyond all participation, while the uncreated energies are genuinely available to the purified soul. This Palamite formulation directly challenges those who would collapse the distinction — whether Eunomians claiming essence is revealed through creation, or Barlaamites flattening energy into essence. John of Damascus contributes a complementary apophatic logic: what we apprehend through the attributes of God are not the essence itself but only ‘the attributes of the essence.’ A second current, running through Sufi metaphysics via Ibn Arabi as interpreted by Corbin, treats divine Names as simultaneously identical with yet not reducible to the divine essence — a productive ambiguity that generates theophanic cosmology. The Brethren of the Free Spirit, noted by Karen Armstrong, press toward full identification: ‘the divine essence is my essence.’ Sri Aurobindo’s integral vision mediates these poles through Sachchidananda, where essence, consciousness, and bliss are not separable features but one self-manifesting reality. The term thus anchors disputes about participation, deification, pantheism, and the knowability of God.