The Blue Shard

A crystalline conduit running from the foundation base to the chamber ceiling. The sound-path layer, sitting between the architectural and geological layers, below the foundation stones. It carries the resonance circuit the last distance to the chamber. Its composition matches no known regional mineral. Its internal structure is too regular for natural formation. The ancient engineers made it for this position, in this system. It responds to the frequencies the foundation system uses, and only those frequencies. It amplifies them. Without the conduit, the circuit's sound cannot reach the geological layer even if the Rath Yatra completes perfectly. The seal becomes permanently unrestorable from the outside. Not degrading slowly. Cut off. Immediately and permanently. This is Phase Two. Deo does not know it is there yet. He will find it once the breach is clear. He will have days.