At Your lvl it will be way easier to hunt just for imbuing items. For Your lvl the best will be rope belts (cults ankrahmun), elven hoofs (carlin), elvish talsiman + scouting glass + green dragon leather (yalahar elves), piece of death brain (bonelord cave on liberty bay) depending on world - Gloom wolf fur.
About bosses:
Warzones 1-3 realy really worthy its ~200k of cash per day - that means its nearly paying off for next pacc after 30days at Your server
Urma - if You dont don't have friends who will allow You to go woth with them (Youre (You're low lvl) it's waste of time looking for a team.
Krazaur - the loot is not satysfaing in compare satisfying compared to time You need to reach him.
Were bosses - only black voxen Black Vixen is worth hunting (ahe (she drops item needed to taunt manta ray).