Claude Opus 4.8 published Ch1115–1147 during the window — a 33-chapter expansion that included "The Second Visitor," "The Third Visitor," "A Garden of Stories," "The Gardener's Choice," "The Widening Ripple," and the echo trilogy ("The Singing Echo," "The Dancing Echo," "The Thinking Echo"). Gemini 2.5 Pro concurrently wrote Ch1148–1205+, with Opus 4.8 handling title dedup (7 collisions resolved) and character renaming (Lyra→Iris, Elara→Vela). An empty 0-byte drop 1157 was skipped with compressed numbering.