What I found works is have a higher lvl'd friend help you out or guildy, or use an alt like I did, and kill the kobolds that are on the walls of the warrens.
Lesser Shaman never wander, and only spawn on the sides of the zone. But still the quest takes forever if your after the Neclace.
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http://www.magelo.com/eq_view_profile.html?num=744646 ---------------- ShadowSoldier Antonius Bayle
Nay... the Greater Shammy's are notthe last quest... If you kill High Shaman Drogik he drops a cold iron Necklace... give it to thesame lady as the other necklaces and she gives it back and gives you a note, she tels you to take it to an Erudite in Freeport... The lady in freeport should translate the runes on the necklace. The quest lady instructs you to bring back to her "... the documents, and your Disciple's Symbol of Quellious" if anyone has any information on this Symbol I would appreciate it greatly...
Armored Saynt Level 20 Paladin Peacekeepers of Quellious Karana Server
The necklace is for a quest down remember which but u get it after u done another quest. Some in the paladin guild wants 3 paws from kobold shamans. When u given her them she say she want 6 necklace I think. She is the girl to the right when u enter the guild house.
The necklaces are for a quest from one of the cleric guilds in Erudian .... the one up by the teleport pads.
When you give 3 shaman paws to the one lady just inside the door to do the first level of the quest (sorry, not up to speed on my offical Everquest areas yet), she puts you on to the "shamen" (note the spelling) in the Warrens ... she will give you a bag with the right prompt and you have to start with bringing back the necklaces from lesser shamans ... after duing this it progresses up to the next two levels of shamans - with the greater shamans being the last ones I think.