33PPP FIRST GUARDIAN . This room is located on another dimension. It's walls, floor, and ceiling are made of a dull metal and a big black spot is on the thirty foot ceiling.
The spot will become liquid and drop to the floor in clumps, taking a vaguely humanoid shape with four arms.
First Guardian (AC 6; MV 6"; HD 8+2; hp 38; #AT 4; D 1-6/1-6/1-6/1-6; SD Limited spell immunity, immune to blunt weapons; XP 1105)
The guardian is immune to spells that affect the mind (charm, hold, sleep). It is malleable and immune to blunt weapons, except when hit first by cold type damage (cone of cold, ice storm, etc.), in which case it will take double damage from blunt attacks for the next 1d6 rounds as it becomes solid and brittle.
Whenever the guardian strikes an opponent, a black spot will appear on the area hit. In one round, a dog-sized winged insect-like creature will emerge from the black spot, and victims will feel like the creature is crawling from their flesh.
Darkness Born Flyers (AC 6; MV 3"/12"; HD 1+1; hp 6 each; #AT 1 bite; D 1-6; XP 32 each)
If the guardian is defeated, it shrivel into the form of a black key. The black key, along with the red and green keys, can be used to open the door to Room 33SSS.