The term ‘quest’ occupies a structurally central position in the depth-psychology corpus, functioning simultaneously as a narrative category, a mythological archetype, and a template for psychological transformation. Joseph Campbell’s formulations dominate a substantial portion of the discourse: the quest as hero’s journey, articulated through the Arthurian Grail romances, provides the foundational mythopoetic grammar through which later writers—psychotherapists, illness theorists, and literary scholars alike—interpret purposive suffering and self-directed individuation. Campbell insists that the authentic quest demands pathlessness; one must enter the forest where there is no road already cut by another. Arthur Frank extends this logic into medical sociology, identifying the ‘quest narrative’ as one of three master illness stories in which the sufferer appropriates suffering as a journey toward transformed identity and ethical witness. Hollis positions the hero quest as one of culture’s two great unifying mythologems, its triune dynamic—departure, ordeal, return—mirroring the individuation process. Auerbach illuminates the medieval literary origins of this motif, tracing the Arthurian knight’s self-referential adventure as the moment feudal ethos became absolute and purposeless except as self-realization. Across these registers a productive tension persists: whether the quest is ultimately solitary and individuating, or whether it opens outward into solidarity and ethical responsibility for the suffering other.