Pulled some tonight...trying to decide to sell or use.
Cheers.
IMO they are a waste of space for a spell user bacause u can't buy them for ingame currency, and only good on a non caster, who wants to make sure that no party member caster is ever going to be out of ingredients in the middle of a quest :P
Ones pulled from loot are unbound so technically can be purchased via plat through player sale or AH Having said that, i found a stack a couple of weeks ago & they went for something like 20k plat on the AH i think, but can't remember exactly.
I used to be with it, but then they changed what it was, now what's it is weird and scary to me.