The Headless had only visited the B.B.C once.
Besides,
it wasn't a comprehensive visit; he mainly came to help with an urgent matter.
At that time, an individual contained in the mid-layer had an anomaly during a transfer, requiring a powerful 'spirit entity' like the Headless to handle it effectively.
Due to a shortage of manpower, they temporarily recruited externally, offering high rewards while taking on risks. The Headless, having nothing better to do, thought of coming over to have some fun.
Although the out-of-control case was handled smoothly, the Headless thereafter developed a sense of caution towards the B.B.C, avoiding voluntary contact.
Thus,
the depth the Headless had been exposed to was just the mid-layer.
The knowledge of the [Deep] was purely informational.
...
Transmission ended.
The "rotation key" was completely shattered, necessitating another method for level transfer.
Han Dong surveyed the current corridor,
