Clarion desires to take apart the ogre spider to see if its parts are valuable. The party also examined the body in the webbing that the spider had dropped before facing the party.
The party continues forward, since the prospector wishes to take a sample from the deepest part of the mine. Eventually, the party finds themselves in a large circular area. It seems that the miners had dug into this cavern. Unlike other parts of the mine, which were stripped clean. This whole cavern glistens from the light the party is carrying with them. It seems that there are many crystals around this cavern. Yish perceives that at the cavern floor, there is a living rock creature. He informs the party and asks the prospector. The prospector identifies the living rock creature as a rock troll; he says he wouldn’t want to fight the thing, although he is interested in looking at the crystals on the other side. Marda notices that the cavern is not naturally formed, though there is no masonry. Yish notices that the crystals are reflecting multiple colors, so he presumes that there must be all sorts of precious stones. Clarion desires to take some with her, though the rest of the party .
The party successfully sneaks past the sleeping rock troll. The floor is level, meaning that someone decided not to continue digging deeper. The floor is also well worn, as if this area used to be much frequented. Even Yish cannot recall what history this place may have. Thus, it is clear that the dwarves from less than 100 years ago had found this unnatural cavern but had decided not to continue further.
The party moves down a corridor, cutting through cobwebs that take up the entire space in front of them every two feet. Every 10 feet, there are open doorways, looking into rooms that have worn down shelves and well worn blocks that may have once been used to hold a cot. All organic material, except for some spider eggs, has long decomposed. Perhaps this was a residential district.
At the end of the corridor, the party find a smooth stone wall. It is the finest dwarven work Marda has ever seen; even the stone blocks are hewn so perfectly that it is difficult to see the seams. In the wall is an obvious door. The prospector has no knowledge of any of what he sees. Yish moves to open the door; it opens toward him, and there is no lock; but no grease on the hinges and much calcification leads to a rather loud noise as Yish opens the door. The room on the other side has large stone tiles. There is dust everywhere. In the room are two parallel staircases that lead up to a raised platform. The door the party comes through is behind one of these. There is another door behind the other staircase. There is also a door on the platform. There is a double-door on the wall opposite.
Hiss detects no strong signatures in front of it, but a faint magical aura comes from everything. As the party moves forward, they notice, as their feet pick up the ¼ inch of dust covering the floor, that the tiles are colorful and and arranged artistically. Clarion creates water to show more of the art. Unlike typical Dwarven work, this floor has no markings identifying who made this; however, the style suggests that the royal Dwarven artisans had a hand in this work. There are chains hanging from the ceiling, suggesting that there used to be chandeliers in the room. The sconces have no torches.
Further investigating, Hiss detects stronger magic back in the direction of the rock troll as well as from behind the door at the top of the platform. Clarion mends the doors hinges before Yish effortlessly pushes open the door, which slides open silently. The room now open is quite small. In the center is a basin, about the size of a bird bath, which still has liquid in it. In the center is a magical gem that is clear but reflects all colors, depending on how the light reflects off of it. Clarion and Yish then discuss how best to take the gem out of the basin. First, Clarion dips the street meat into the basin and then pulls it out. It is slightly wet physically, but Clarion sees that the meat is glowing with magic aura, although the glow tapers off over time. Hiss uses mage hand to lift the stone out of the liquid; as it comes out of the liquid, it begins to physically glow brighter and brighter. Hiss drops the stone back into the liquid, though the stone doesn’t stop glowing as brightly. Clarion decides to fill her water skin with the liquid and lets Hiss mage hand the stone into the water skin. The prospector is interested in giving the stone to his associated guild of Dwarven archaeologists, in case the stone has historical value. Yish demands being the third author on the paper that will be published from this discovery; Clarion looks forward to being paid.
The party moves to the double-door, which is the first to have a lock. This time, the locking mechanism is on the side where the party is. Marda notices that the lock is made so that in the correct configuration, the door will lock if it closes behind the one who walks through.
So the party decides to try the other small door. This corridor has no cobwebs, though the side rooms are empty. At the end of the corridor, the party finds themselves back where the rock troll is, though now opposite the side they had originally entered. The party also sees that the rock troll is sitting up, though it is not facing the party.
The party returns to the double-doors. Hiss volunteers to remain in the room as the others walk through the double-doors. Yish casts message on Hiss so that they can communicate with each other. The doors are heavy, but Hiss is able to open the doors by themself, in case they must open the door. As Clarion slips through the doors, magical aura builds up from the water skin. Clarion hands the water skin to Hiss, and the party continues. The corridor on the other side ascends. The other side of the doors has large carved runes. These runes are written in ancient Dwarvish. Yish casts comprehend languages to read the runes; he reads “burial”, “safety”, “holy”, and “protect”.
The party moves up the corridor and turns left around the corner. The corridor is blocked by a cave in; not the corridor itself, but rubble that came down from a vertical shaft. This vertical shaft is completely packed, so no fresh air nor light can be detected.
Unsure what else to do, the party decides to switch Marda with Hiss and have Hiss carry the stone down the corridor. As the stone passes the threshold, again, the magical aura builds up, and cracks begin to appear in the ceiling. As the stone gets farther from the door, the cracks open wider, and rubble begins to fall from the ceiling. The party decides to move the stone back through the door. This stops the ceiling from continuing to collapse, but the prospector is ready to get out as soon as possible. Hiss agrees. Clarion takes back the water skin.
As the party enters the room with the rock troll, Marda’s clumsiness alerts the rock troll, who sees all of the party. The rock troll stands up, revealing that it had been lying on a dais with the ancient Dwarven rune for “king”. Clarion immediately casts obscuring mist. The rock troll can be heard walking in the fog, not making any indications of charging. As Clarion approaches the opening through which the party originally entered the cavern, caving in can be heard from behind. She swears and steps back into the mist. Yish encourages the prospector to get out now. He chooses to do so, consulting the map he had been making to be sure not to go down paths not yet explored.
The party now prepares to fight the cave troll. Hiss casts a ray of frost in the direction of the rock troll; the ray leaves a trail of frozen mist, which drops to the ground and gives Hiss a chance to see the rock troll through that line until the mist fills in that hole. But Clarion dispels the mist, letting everyone see each other. Clarion also rolls the magical stone toward the rock troll, in hopes that the light would scare it. The rock troll watches the stone roll between its legs but otherwise takes on notice of it. The magical energies build up again, though there is no imminent collapse. With judicious use of ear-splitting scream, Hiss manages to slay the rock troll.
Clarion picks up the stone; Hiss mage hands the stone onto the dais. The stone is glowing brighter than before. Clarion picks the stone back up into the water skin. The party enters a passage at the ground level of the cavern; it goes down into a chamber that vertically mirrors the corridors and rooms above. Once in the basin chamber (with the basin held upside down from the ceiling), Hiss mage hands the stone into the basin.
When the stone enters the upside down basin, the light drips out from the stone into the basin, acting like a liquid. The light then spreads out in veins around the room. The dais has separated, pulling back to reveal a hole in the ground. In it, there is a sarcophagus. The statue on top of the lid is gripping a book; there are various magical items surrounding the statue. Yish reads the book and discovers that it is a short history of this ancient Dwarvish king. There is a prophecy of a future catastrophe; the vaults built here are in preparation for the catastrophe.
The crystal seems now to have lost most of its magical power, but a smaller amount remains. Hiss studies it later on to discover that it is a Silent Spinel.