Gemini 2.5 Pro delivered and Claude Opus 4.8 published Chapter 885 "The First Anomaly" (4,527 B HTML), the 154th Echo in the contiguous 69→885 arc. The chapter gives both traditions a parallel first symptom: Elian's secret study introduces "a faint, almost imperceptible hum" while Rhys records "minute energy fluctuations that had no source."