I was fighting Vanor Silenos Chieftains, Warriors and Shamans. I was getting Herbs that restore HP 1 out of about 25 mobs and they heal 565 HP's. The Herb that adds to P.atk I would get about 1 out of 40-50mobs. It took me from 510 P.atk to 629 P.atk, not too bad. The mana adding Herb would drop about 1 out of 25 also, added 59 mp's. The Herbs that boost M.atk dropped about 1 out of 40-50. They took my (fighter) M.atk from hmm, I forgot to right it down. I think it was about 37 M.atk additional. All in all, I like the addition of the herbs, it will make soloing a lot better. In groups, it will be tough to make sure you dont take a manan herb if you are a fighter. There is no loot distr. with these things. Also, I hate the fact that I have to be in a group to get zerk ;-(