Labyrinth, Fearmist:
1-D4 checks / 24 hours of hallway or tunnel: Roll 1-D20 -- Roll needed for encounter: 9+
1 check / chamber or room: Roll 1-D20 -- Roll needed for encounter: 2+
%Roll: Encounter types:
01-20: Animated
21-30: Basilisk
31-35: Character G.M.: Pre-make all NPC character encounters.
36-45: Dragon
46-55: Gargoyle, Imperial
56-65: Hex
66: Leprechaun
67-85: Medusa, Gorgon, Greater
86-93: Minotaur, Labyrinth (Greater)
94-95: Race
96-99: Thrull
00: Tichin