Revenge occupies a structurally central position in the depth-psychology corpus, functioning simultaneously as a psychic mechanism, a moral problem, and a diagnostic marker for deeper pathologies of the self. Nietzsche provides the theoretical foundation: in the Genealogy of Morals he exposes revenge as the concealed engine of ressentiment — the slave-morality’s sublimated fury masquerading as justice, righteousness, or love. In Thus Spoke Zarathustra he extends this to a metaphysics of will, where revenge against the irreversibility of time becomes the will’s defining affliction. Nussbaum complicates the Nietzschean schema by demonstrating, through Hecuba, that revenge is not the exclusive province of the base: noble character, precisely because it stakes everything on trust, is peculiarly vulnerable to the corrosion that produces it. Herman approaches revenge from the clinical angle of trauma recovery, tracing the fantasy of revenge as both necessary transitional affect — righteous indignation displacing helpless fury — and as a prison that forecloses genuine justice. Konstan illuminates the ancient Greek distinction between anger and hatred: anger demands that the offender perceive his pain, which is why revenge, for Aristotle, must be visible. Klein locates the demand for revenge in persecutory anxiety originating in infantile destructive impulses. Across these traditions, revenge emerges as a phenomenon inseparable from honor, shame, power, ressentiment, and the question of whether justice can ever fully replace it.