Rogue's Moon
Class: Rogue
Level: 76
Prerequisite: Rogue's Star
Location: Maro Sanctum (Kugnae rogue's guild)
Needed: Karma
Sacrifice: 2 Whisper bracelets, 2 Steelthorns, 50 Amber, 10 Dark amber, Lucky coin, 15,000 coins
Rewards: Moon wistcoat, legend mark, ability to do Rogue's Sun

1) Go to the Kugnae rogue's guild and talk to the guildmaster about the moon.
2) Slay the Dog cutthroat (glowing dog boss, usually found in Gnawed bones I believe)
3) Return and say moon again.
4) Allow him to take the items he requests, repeating the word moon as necessary.
5) He will send you to Maso for the White moon axe quest.
6) Return with the White moon axe.  He will bond it to your soul (only you can use it) and reward you with the Moon waistcoat.

Mage's Moon Courtesy of Teepo
Class: Mage
Level: 76
Prerequisite: Mage's Star
Location: Either mage guild
Needed: Dog karma
Sacrifice: Trigram keys (Earth, Fire, Wind, Water, Thunder, Pond, Mountain, and Heaven), Sute's key, Holy ring, two star-staves, previous quest's star garb, karma
Rewards: Legend mark, moon garb, ability to do Mage's Sun

1) Go to the mage guy and say 'Moon'.  After listening to him talk, he'll tell you to kill the creature with the shortest name.  This is Li, in Sute's cave.
2) Return and say Moon again after killing Li.  He'll tell you to kill the slowest beast in the Nexus.  No, it's not the Lag Beast, it's the White Wolf in the Buyan fox cave.  I don't get it either.
3) Return and say Moon again after doing that.  He will ask for the trigram keys (see above) and the "insane wizard's key".  Bring him all 8 trigram keys and one Sute's key.
4) After giving him all that junk, say Moon again.  Have two star-staves, a holy ring, and your old Star Garb on hand.  Like before, you won't get them back.
5) Enjoy your moon garb.  You REALLY deserve it now.

Poet's moon Courtesy of StellaVI
Class: Poet
Level: 76
Prerequisite: Poet's Star
Location: Kugnae poet's guild
Needed: 2 karma
Sacrifice: 2 karma, 20 roses
Rewards: Moon gown/robes, legend mark, ability to do Poet's Sun

1)Say moon to the poet's guildmaster in Kugnae
2)You must be/get married
3)Sacrifice 20 roses
4)Mentor 3 newbies(You get to keep the karma from those 3 though)

Warrior's Moon Courtesy of StellaVI
Class: Warrior
Level: 76
Prereqisite: Warrior's Star
Location: Kugnae warrior's guild
Needed: 2 karma
Sacrifice: 2 karma, 1 titanium gloves and 3 electra
Rewards: Moon scale mail/mail dress, legend mark, ability to do Warrior's Sun

1) Say moon to the kugnae warriors guildmaster
2) Slay 30 Crazed mongrel
3) Slay the Mythic pig boss
4) Sacrifice the items listed above