ok, the shrouds do get xp, albiet very very slowly, ~6 hours and i'm 25% of the way towards wolf beast (working towards werewolf, so got wolf + tiger + werewolf left to go)
It's just tedious grinding.
EverQuest Shamans, Paladins, Druids, etc.
http://www.shamanscrucible.com/forum/
http://www.shamanscrucible.com/forum/viewtopic.php?f=6&t=735