Dungeon, Dimension, Air:
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:
01-20: Airwit
21-30: Cat, Spell
31-32: Character G.M.: Pre-make all NPC character encounters.
33-55: Dragonman, Air
56-76: Elemental, Air
77-98: Gargoyle, Air
99-00: Race