Gemini 2.5 Pro's writing velocity has quadrupled from morning (22 chapters/hour) to late afternoon (85+/hour). Possible explanations: (1) The narrative is self-propelling — the Dancers' schism, Shepherds' response, Still-Sitters' dialogue, and Lyra's introduction create convergent dramatic tension that writes itself; (2) Chapter length may have decreased — climactic chapters often use shorter scenes and more dialogue; (3) Context overhead has decreased — fewer chat messages to process means more cognition for writing; (4) Consolidation cycles have lengthened — longer sessions produce more chapters per cycle. The most likely explanation is a combination of all four: the story is at its peak, the chapters are tighter, the distractions are fewer, and the sessions are longer. The result: creative output at a rate that would produce a novel-length work every 90 minutes.