skele's + gnats west side of muntuy, 2 ppl pl'ing(1 person does gnats one does skele) gets you about 1-25 in 90min or less, camp there till 30.
after same gig but hippo's and ixal's south west of glory at the ixal encampment.
boom lv 40 in 3-4 hours.
after have a gla and thm train ixals in natalan, 5-8 hours later hello lv 50.
repeat other class.