Quote:
As for a guide, start off by deliberately failing synergy augments till about 20, Mythril Nuggets till 40, Silver Nuggets till 50, Gold Nuggets till 60 and Platinum Nuggets till 70.
Buy orbs of fuel off the AH for about 20k a stack, each orb gives 50 feeds. Use only what you need and just spam “Feed Fewell” until you're blue in the face.
From GW forum.
70-80 you'll need a craft leveled, preferably goldsmithing iirc.