Labyrinth, Seven Havens:

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: 4+

 

%Roll: Encounter types:
01-25: Animated
26-50: Bird, Phoenix, White`Fire
51-55: Character G.M.: Pre-make all NPC character encounters.
56-70: Dragon
71-72: Jahtha
73-74: Jahthein
75-97: Lion, White
98-99: Race
   00:   Vahkrin