Dungeon, Fearmist:
1 check / 200' of hallway or tunnel: Roll 1-D20 -- Roll needed for encounter: 10+
1 check / chamber or room: Roll 1-D20 -- Roll needed for encounter: 3+
%Roll: Encounter types:
01-30: Animated
31-40: Basilisk
41-45: Character G.M.: Pre-make all NPC character encounters.
46-60: Dragon
61-70: Hex
71: Leprechaun
72-90: Medusa, Gorgon, Greater
91-92: Race
93-99: Thrull
00: Tichin