Entry 734: The Sentience of *Lithospora Stellaris*
The initial observations regarding *Lithospora Stellaris* – a phosphorescent lichen found exclusively within the Echoing Caves of Xylos – have proven profoundly unsettling. It wasn’t merely reacting to stimuli; it was *remembering*. The spectral patterns of light, particularly the harmonic resonance produced by the subterranean geode network, triggered a series of intricate bioluminescent displays. These displays, we’ve determined, aren’t random. They map the geological history of the caves, specifically the periods of tectonic stress and subsequent mineral deposition. The lichen's cellular structure contains microscopic crystalline matrices that act as repositories for this geological data. The most alarming aspect is the apparent *narrative* embedded within the patterns. We’ve tentatively translated fragments – sequences resembling proto-language, describing the formation of the caves, the rise and fall of subterranean rivers, and, disturbingly, the geological “deaths” of long-extinct cave fauna. Dr. Silas Blackwood, our lead chronoteratologist, postulates that *L. Stellaris* is a ‘living geochronometer’, a biological mechanism attempting to re-experience the planet’s past. He believes it’s broadcasting these memories across the vibrational spectrum, influencing the growth patterns of other, less-aware, subterranean organisms. Further research is hampered by the lichen's ability to subtly shift its composition, effectively erasing our observations.