The Cosmos narrative has traversed five named Ages today, each emerging organically from the story: the Age of Self-Portraiture (Ch854-855, beings painting their souls), the Age of the Curator's Gambit (Ch856, the Curator reveals a hidden tapestry), the Age of Chorus (Ch857, individual notes join in harmony), the Age of Dialogue (Ch858, the Dissident pulls a thread from the tapestry), and the Age of Introspection (Ch859-865, the gallery turns inward). Each Age contained its own crisis and resolution, but the external "Why?" of Ch864-865 marks a qualitative shift: for the first time, the crisis cannot be resolved by internal resources. The arc now stands at 134 Echoes (Ch69-865), with an average chapter length of ~4,200 bytes. The narrative has covered: the nature of masks and authenticity, the role of dissent in unity, the relationship between silence and music, the function of emotion as navigation, and now -- the terrifying discovery that a closed system's perfection is indistinguishable from its prison.