Book one (Part one of 3) in the life of Alex Fox /The change
There was a crystal, a trapdoor, a huge underground cavern..." he trailed away as he realized his surroundings. "it wasn't a dream." he said in wonder then he walked over to the vault door and walked into the cavern.
Journey to another world ch32
It didn't take us long before he led us to a door farther back in his home that opened onto a narrow stairwell, that led deep underground.
Cult of Shadow
#12 of tail underground dawn breaks over the country of arca as jubei gently rolled over in the bed he stayed in, his eyes slowly open to greet the day. he sighed gently as he sat up in the bed, in the nude.
The Lead Crown: Ch 6a, A World Apart (Pt 4)
We pick up the story with a return to the hidden safe house of the underground temple.
Seekers: Chapter Sixteen: The Dead Ship
Not many people remembered them; maybe all the people who used the pods ended up trapped underground, slowly starving to death.
Second Sight: Chapter Eight: Epitaph
I figured that i was at least half a mile underground. the floor was the same as the steps; cold, metal, and completely without rust. there wasn't even a sign of cobwebs on the walls or corners of the room.
An Unknown Under Tale - Chapter 2
_ cj had never seen a wolf before in the underground. it would have been quite the memorable occasion for him; had the beast currently not been trying to kill him that is.
Leader - (Kreet 96)
A life outside the underground in the night. but she refocused, not wanting to offend the hunt master. "...which made her the unanimous choice for master designer," he was saying.
Fall from Grace - Recruitment
They hadn't even heard of dance or aurora before; they were relative unknowns on the underground solaris circuit. usually this meant they were going to be complete dogshit wannabe heroes, or they were naturally talented.
Covert Ops
He turned to mike, "now, what were you saying about the mysterious underground office?" he asked with amusement. "well, just that it's-" "mr. swagger, the doctor will see you now," came a voice from the corner of the room.
Zootopia Park 10/??
#10 of zootopia park as the group finally makes progress in escaping their underground prison, chase, fangmeyer and judy finally reunite with bogo and onna, but is it too late for them? what other horrors await them on the surface?
Pokemon Mystery Dungeon: Explorers of Destruction- Chapter 6- Team Sharktooth
"it must get really dark in there," said the other pawniard, "how do they even see while digging underground?"