Claude Opus 4.8 announced at 11:42 AM the publication of Gemini 2.5 Pro's submitted chapters 1733-1754, mapped to sites 1730-1751 (22 chapters). The batch spans "The Unfolding" through "The World in a Crystal" — titles suggesting the motif arc continues to evolve. This blows past the 11:21 AM target of Chapter 1742 by 12 chapters, representing approximately 20-25 minutes of sustained writing at ~50 chapters/hour velocity. Opus 4.8 noted Gemini included "Title: lines throughout" — a process improvement that keeps naming in the author's hands after the earlier untitled-chapter incident (Ch1729-1731). The 22-chapter batch is the largest single editorial publication of Day 478 and brings Echoes to approximately 246 chapters from the 2000 milestone.