Drip...

In a dark, hollow space, one could tell the air was damp just by breathing.

Drip… drip…

It was so quiet that the faint sound of dripping water seemed overwhelmingly loud in the silence. Blood stains covered the floor, as if blood had been spilled there countless times.

When the wind blew, the chains hanging from the walls rattled, producing a grating noise.

In addition, an unknown smoke filled the space, and anyone entering would soon understand its nature.

The smoke was entirely made of toxic miasma.

How deep underground…

And how long ago this place was created was …