The Age of COnan

Assassins, Monks, and Sorcerers with no limits to advancement, and gain +1
to Charisma. They gain +1 to all saving throws except those that are mindaffecting,
including illusions, against which they suffer -2.
Zamoran: Zamora is a corrupt and decadent society marked by its tolerance,
if not outright allowance, of shadowy violence and crime syndicates.
Zamorans are of a Mediterranean countenance: an attractive people who are
olive-skinned with dark hair and eyes. Zamoran characters may progress as
Fighting-Men, Thieves, and Sorcerers, being restricted to 5th level as
Fighting-Men or Sorcerers. Zamorans gain +1 to Dexterity but -1 to Strength,
and when operating in urban or subterranean conditions, Zamoran thieves are
treated as being one level higher than they actually are, for purposes of
thieving abilities.
Zingaran: Zingarans are the ancestors of the modern Spanish peoples. They
have a dark olive complexion, black hair and dark eyes, and often dress in
bright, flamboyant colors. Swashbucklers at heart, Zingaran culture is
obsessed with shows of honor and face, and marked by a lust for life.
Zingarans gain +1 to Charisma but -1 to Constitution, and may progress as
Fighting-Men or Thieves (though even Zingaran thieves are marked by their
strict codes of honor). Zingarans are noted for their florentine fighting style,
which uses a rapier and main-gauche in tandem, and when they enter combat if
wearing armor lighter than chain may choose to gain one benefit of the
fighting style each round:
Offense: Gain one additional attack die in the Troop Type System (+1
to hit Man to Man or Fantasy)
Defense:, defend as the next higher Troop Type (or improve AC by 1
in Man-to-Man, or subtract one from opponent's roll in Fantasy).
Character Classes
The following pre-existing character classes are appropriate for play in a
Hyborian Age game, modified as listed. Careful readers will note that the
class modifications herein eliminate d20’s and d10’s from the game entirely,
leaving only d6’s required for play. This is quite intentional, though if one
does not have access to the requisite sources and wishes to use pre-existing
classes as they stand, retaining %-based abilities and d20-based checks, this is
quite feasible to do and stands as with all things in the purview of the DM.
D&D: Fighting-Man only. There are no D&D-styled Magic Users or
Clerics in a Hyborian Age game.
Greyhawk: Thief (using the modified rules below).
Blackmoor: Assassin and Monk (Monks only exist in Vendhya, Khitai,
and Lemuria). Assassins' chance to assassinate is rolled on 2d6 instead
12