Crypt, Dimension, Air:

1 check / 200' of hallway or tunnel: Roll 1-D20 -- Roll needed for encounter: 12+
1 check / chamber or room: Roll 1-D20 -- Roll needed for encounter: 7+

 

%Roll: Encounter types:
01-05: Character G.M.: Pre-make all NPC character encounters.
06-15: Dead
16-17: Race
18-19: Jahtha
20-21: Jahthein
22-00: Undead