Realms of Valeron - Chapter 5
A vast, pillared city of rock-hewn buildings that had been cut into the walls of a massive cavern beneath one of the largest mountain ranges in the game, it was the designated home city of the rat people and other subterranean races.
The Lead Crown: Ch 5c, A Call to Arms (Pt 3)
Aside from the eye-watering, nose-numbing stench of the subterranean tunnels, the air had an actual taste to it... and it was something roland fondly wished he would never have to experience again... and that was saying a lot for a man whose mother once gave
Illusion of Reality Prologue
Elves themselves were a differentiated race, both having sub-races: the fair-skinned, gentle-natured, forest-dwelling tree elves, and the obsidian-skinned, ruthless, subterranean lunar elves.
Worthy Purchases Pt. 3
The subterranean chamber was well lit from the oil lamps that hung from the wall brackets, casting light on what could only be a sex dungeon.
City of the Damned - Chap VII
Rats had found their way into the subterranean maze of caves, and had been eating the dead, or rotten food that was stacked neatly just outside the cages. such things could only hold his attention for so long. sitting up farther he waited.
Dragon at the Coffee Shop, P3: the Challenger
“built within a pre-existing cave system and opened in 1962, it suffered repeated subterranean monster incursions until its closure immediately after the 1975 under-incident, when 138 customers and staff members were transformed or disappeared."
My Sins
Room” he thought, quickly heading towards the entrance to the lab “i’ll quit before sunrise just in case he’s an early-bird, and take care of anything left the day after” after a brief moment fiddling the mechanisms seth silently descended into the subterranean
The Human Species Ch. 85 - Sinister Pokémon Scientist
There was a sense of familiarity to it, and lucario thought he could occasionally see zoroark nod in approval of the base's subterranean structure.
Pathfinding: An Adult Choose Your Own Adventure, Ninty-second Entry
The inhabitants of this strange, totally subterranean world call it diyu, and our protagonist’s survival will depend on diplomacy as well as combat, as the earth-born and civilized protagonist must adapt to a more savage world, where life is cheap and
Draykan's Hoard 1
She claws through the dirt and the rock, her body growing and shifting until she becomes a tunneling worm that doesn’t just dig holes but creates the subterranean passageways that many will later use in their excursions in the ever-dark realms.
The Guilded Cage, Ch 4
The subterranean ruins of the temple of holus was a relatively recent discovery for the young lion and his brother; his new friends at the assembly used it for their private meetings and, when it wasn't in use, it remained otherwise empty.
Final Discovery
Not even their surface probes had picked up any details of subterranean life.