There's no hidden passage below; only some loose soil that seems to have been disturbed.
Upon careful inspection, they discovered that someone had used the Earth Escape Technique to loosen the soil, stealthily arriving below the Scripture Pavilion.
With this significant discovery, they immediately followed the trail of soft soil, searching along the way.
Soon, they arrived at a grave beneath the Specters' Garden.
There, they found that the corpse of a Qingfeng Sect elder was missing.
There could be a few reasons for its absence: theft, destruction, or natural degradation.
Natural degradation was impossible because the coffin was made of a special wood with preservative qualities, and the grave was protected by an array, which made natural degradation even less likely.
This left only the possibility of tampering.
Upon examining the array, they found clear signs of interference.
Someone had been here and stolen the elder's corpse.
This led to several possibilities.
