One must be good at something
A version of the patch may overturn all of the benefits: prices; Professional who is the most powerful; who is the fiercest PK; the most powerful man is always following the trend of The Times. Everyone can practice two major, learned, the professional do fine, can live better. Whether engineering/forging/enchant or anything else, have the professional, can let you have more value. Professional good people more can be reused. If you professional is bad, at least to a society, very can get along with people, so there's not learn enchant can also get enchant effect, and not learn forging can also buy forging equipment. You just have to pay the price. But don't expect you put all the knowledge learning the entire whole; the person's energy is limited. Have the perfect good enough to make your life better.