May 12th 2010 10:07PM Engineering and it's epic ammo (specifically the iceblade arrows) is a very profitable market.
Hunters always have to restock ammo and should be using top of the line.
As it requires honored reputation and a primordial saronite to get the recipe it is an exclusive market of sellers.
If you farm the mats, that is pure profit at about 4 to even 8g per stack of arrows.( Or in mats case: 2 crystallized shadow)