Kurtalla noticed some blood staining the floor to the northwest of the chamber and Fonesca asked Gaspode to sweep the area with his gem. Gaspode immediately noticed a hunched creature that had been concealed by invisibility. It looks somewhat like the ghouls but it was larger and more menacing. The Mothers moved in to corral it in the corner. Obrana cast a purge invisibility spell and the creature became visible to all. This was unfortunate for it as Jito, Gaspode, Kurtalla and Siosiann had all moved within weapon range. It did not last long.
Jito helped Fonesca and Kurtalla sort out which of the items in the piles of gear were magical. Quite a number of them were. Kurtalla also selected a couple of nice masterwork items including a composite bow that was built strongly enough to allow his physical power to be transferred to the arrows it would shoot. Gaspode was folding and refolding his sheet while the ranger tested his bow against his existing one.
The left the cavern behind them and turned left, still encountering more graves in the walls. At the end of a sloping passage the Mothers came across a broken down masonry wall. It must have bricked up the end of the passage at some point, but now a way was clear through the centre for a person to pass and it stood only about four feet high at the edges. Of more immediate concern was the undead spider creature that scuttled out of the gap to attack them, along with the friendly sound of crossbow bolts humming along through the air. Luckily the bolts did not connect. Neither did the arachnid. Gaspode did hit and ended the spiders unlife. Obrana, meanwhile summoned a column of flame to burn the area behind the wall, hoping to stop the barrage of bolts. This did not work immediately, but magic missiles from Siosiann and Fonesca finished off that task. Jito had just cast a mirror image on himself when they fell. The Mothers moved past the wall to confirm that the bolts had come from two drow sentries.
The cave beyond held a sinkhole down and not much else. Kurtalla could tell that there was drow and spider activity throughout this area and that the undead spider had come up through the sinkhole to attack them. They could see a passage heading onwards through the bottom of the sinkhole about ten feet below, so they took this, which lead mainly east. After a while it came to another sinkhole and behind it a granite wall. Fonesca realised that the wall was probably a creation due to a Wall of Stone spell as it was very regular and somewhat out of place in the natural passage. Rejecting the sinkhole for the moment the Mothers turned their attention to the wall. After brief mathematical discussion as to volumes, Obrana used some clay in her possession to shape a large circular opening in the stone. The party stepped through into a continuation of the original passage.
A little further on they came upon a T junction and went left. This brought them to a dusty cavern that contained old webbing that had lost its stickiness. They did notice the two large spiders nested amongst the strands, but realised that they could not see any smaller ones. These large arachnids looked hungry as they immediately advanced to attack. Jito was in the van and he was confident of his mirror images confusing the beast, but it saw straight through them and managed to bite him. Siosiann decided that mirror images of herself would also be a good idea, so she cast that while the others engaged. However, Jito and the others did not let the beasts bit another of the party. There did not seem to be any further passages leading from the back of the cave where the spiders had come from, but at the front, one lead of back to the southwest.