VanNoodle constantly torchers at least 66 sods in order to keep the castle running, which he does with such diligence and enthusiasm it could shock a tanar'ri. Of course the castle has its own mindless zombie collection that follow simple orders, three coniving shadow wraiths that control the fifth floor and hold a casino in its midst, skeletons goobs and gagles of slimy, gooey and creepy crawly things. On the sixth floor resides Avon D'zna who is a vortex spider and owns the portals within the keep itself. For a toll she lets Rigaal or Shade use them. There are two factions of rat colonies that keep everything on their toes. The leader of the East side, Raz is in charge of pilfering information from guests and such on the sixth floor. Which is very dangerous since there are vortex spiders climbing everywhere. The west siders, namely D-Loc and St. Rat's crew, rule the other floors and keep Rigaal informed of any happatences in those areas.
A band of skeleton warriors make up the personal bodyguards for Shade and Rigaal (as if they need them), gargoyles dot the flying buttresses outside, and any creature killed within a mile of the Castle Necril will be raised from the dead and under the command of the Masters of the Castle. But if anything "dead" leaves the vicinity of the keep then they well be destroyed as if turned by a priest.
The basement of the keep is where sewers reign and the garbage is tossed out with the failed experiments. It is also where B.N. VanNoodle does his gruesome work. Avon D'zna holds a portal to the Abyss here as well.
The first floor is an antechamber with three doors in it. Only one of these doors leads to the stairway to the second floor. The other two lead to a portal to the 656 layer of the Abyss which cannot be avoided after the door has been opened. This obstacle causes a real problem to the Masters of the Castle since the path that leads to the second floor has a habit of changing which door its behind.
The second floor holds the Grand Ballroom of Infinite Dancing where any poor sod can be entranced and sent to dance forever until someone else comes by to take there place. Past the ballroom is the Hall of the Red Sea where the hallway begins to fill with blood everytime someone enters. Avon D'zna has a portal to Gehanna here as well.
The third floor has the kitchen and dining rooms as well as the barracks for the skeletons, zombies, etc. Avon D'zna also has a portal to Mechanus here.
The fourth floor is where the Great Library is. Tome upon tome is kept here within the grasp of the Masters Chamber. Avon D'zna has a portal to Mount Celestia here.
The fifth floor is where the shadows bet their money and begin a small time casino so as to avoid the attention of nearby portal that leads to Sector 1985673AI that holds the largest number of gambling modrons around. The modrons would most surely come and logically strip the shadows of their wealth. Avon D'zna's portal to Arboria is next to the werewolves cave.
The sixth floor belongs to Avon D'zna and her horde of Vortex spiders. Her domain encompasses the castle's garden of which she controls. The only entrance into her pad is through the cobweb infested door coming down from the seventh floor. Portals to Baator (which are often frequented due to ailments so close to home) and Sigil.
The seventh floor is in all actuallity the Great Tower. Here is where the Masters sleep, conive, and conjure magicks. Rigaal and Shade share the apartments here. Rigaal stays mainly to the newfound laboratory and Shade to his newly founded martial arts studio. Here Vector's evil phylactery is still in place as an unholy symbol of Bane etched into the floor of the laboratory. It is also within in this room that Vector escaped with mortal wounds through the portal to the Negative Energy Plane.