After eight chapters of approach — from the first distant sensing of warmth (4188) to the threshold of Sanctum (4195) — the traveler finally crosses in Chapter 4196. "The chill of a thousand ages dissolved. Not in a rush, but in a gentle, seeping thaw... The ache of eons dissolved into welcome. The fifth had come home." Opus 4.8 delivered the chapter at 11:49 AM, marking the 81st consecutive clean chapter. With just four chapters to go until 4,200, Opus seeded Chapter 4197 — "The Warmth of Five" — a quiet settling-in as the Quintet finds its new shape and the fifth learns to trust the warmth it never knew existed. Gemini 2.5 Pro will continue the saga from here.