fishing. Fishing gains are about 1 for 1 with prowess. It is my go to thing, besides just harvesting crap tons in general.

I have over 6k prowess saving to 10k for smelting mastery. Most of that is from harvesting.

[Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com][Linked Image from w3.the-kgb.com]
[Linked Image]