To help with this, I've updated Elanthipedia with all the information I could gain from guild leaders, MEDITATE RESEARCH, and testing.
I can't promise it's perfect, but it's as good as I can get it. If you find an error, please contact me and I'll fix it, or go ahead and fix it yourself.
https://elanthipedia.play.net/mediawiki/index.php/Category:Barbarian_Abilities
Weapons for Sale:
http://www.elanthipedia.play.net/mediawiki/User:Caraamon#Wares
Hunta Talna Kortok, built by Gor'Togs, for Gor'Togs
http://www.angelfire.com/rpg2/caraamon/home.html