The sound was the first concrete change.All four accounts agreed on this: the biological noise of the Sundarbans, which had been constant and layered since they entered the forest, stopped. Not reduced — stopped. Absolute silence, the kind that was not the absence of sound but the suppression of it, as if something had placed its hand over the mouth of the forest.In the silence: something else.The sound that appears in CLIP_0047 — the footage from the camera on the ground at 3:22 AM, days later — was present here for the first time. Multiple sets. Rhythmic. The sound of processing."From everywhere," Lata wrote. "Not from one direction. From the mud, from the roots, from above. As if the sound was inside the place itself and we had entered the resonance of it."Priti: "I've studied the acoustic properties of different ecosystems. This was not any biological sound I have encountered. The frequency was wrong — too low for insects, too regular for amphibians, too consistent for any animal that pauses to breathe." She looked at her notes. "It sounded like a process. Mechanical, except there was no mechanism."Haripada, when the sound started, stopped walking and put his hand flat against the nearest tree trunk."What are you doing?" Samir said.Haripada listened."It knows we're here," he said. "We're inside it now.""Inside what?""Its territory," he said. And then, after a pause: "Its body."