Dungeon (Acid Dimension):

1 check / 200' of hallway or tunnel: Roll 1-D20 -- Roll needed for encounter: 11+
1 check / chamber or room: Roll 1-D20 -- Roll needed for encounter: 6+

 

%Roll: Encounter types:
01-15: Animated
16-25: Bat
26-35:   Cat, Spell
36-41: Character G.M.: Pre-make all NPC character encounters.
42-56: Dragonman, Acid
57-66: Elemental, Acid
67-81: Gargoyle, Acid
82-83: Jahtha
84-85: Jahthein
86-87: Race
88-00: Serpentine, Acid