[PnP] Enhancement limitations, new gems

[Burton Choinski]

>   The problem is the word Natural.  A rock is a rock.  Would
>   a EL0 compared to a EL10 make it more shiny?  Would berries
>   that are great teasting be even better tasting with a EL10?
>   Nature in this case per mythos was created as is.  One can
>   assume evolution takes some part but it is a slow thing.

But that is how the enhancement spell is defined for non-weapon or armor -- it makes a chair more comfortable (more chair-y?), it makes a pouch hold more, etc.