ASTRAL PLANE

Die  Roll	Creature  Encountered
2	[Arch-devil]
3	Cat Lord
4	[Foo Dog]
5	[Demon, Greater]
6	[Modron, Hierarch]
7	Pyrolisk*
8	[Basilisk]*
9	[Demon, Lesser]
10	[Devi, Minor] <>
11	[Human Traveller]**
12	[Daemon, Minor]
13	[Deva, Astral]
14	[Medusa]*
15	[Cockatrice]*
16	[Devil, Major]
17	[Daemon, Greater]
18	[Planetar]
19	[Solar]
20	[Demon Prince]

ETHEREAL PLANE

Die  Roll	Creature  Encountered
2	[Intellect Devourer]
3	[Terethian] <>
4	[Basilisk, Greater]
5	[Salamander]
6	[Xorn]
7	[Para-elemental]
8	[Daemon, Charona-]
9	Human Traveller**
10	[Elemental]
11	[Geniekind]
12	[Cerebral Parasite]
13	[Deva, Monadic]
14	[Gorgon]*
15	[Medusa]*
16	[Planetar]
17	[Wind walker]
18	[Xeg-yi] or [Xag-ya]
19	Pyrolisk*
20	[Lammasu, Greater]

* These creatures do not travel on the Astral and Ethereal Planes, but their perceptions (and
magical attack forms) extend there. Their possible appearance applies only to interaction with
the Prime Material Plane; otherwise, ignore the result and roll again.

** Use the Dungeon Random Encounter Tables in the DMG with the <>
following modifications. Party size will be 1-6 with no limits on the number of characters of 1
class. There will always be a min. of 1 cleric in the party, and, if there are 2 or more clerics
present, there will be at least 1 magic-user. Character level will be:
 

Cleric	Level 9 to 18
Druid	Level 7 to 14
Fighter	Level 8 to 15
Paladin	Level 7 to 16
Ranger	Level 7 to 16
Magic-User	Level 11 to 20
Illusionist	Level 10 to 17
Thief	Level 9 to 16
Assassin	Level 10 to 15
Monk	Level 8 to 17
Bard	Level 11 to 18  (Level 7-8 Fighter,  Level 6-9 Thief)