About 50 stamina if you want to aoe early but better is full dex (most use restat at about 90 because you want get hit with that high dex) ,lvl with 1on1 till about 75 then you can Aoe easy.
Skills :
Acrobat : Perfectblock Max, Arrowrain Max and maybe Junkarrow to get till there.
Ranger: Firearrow Max, Cold arrow Max , Piercing arrow Max, maybe Fastshot to 1on1 the last or giant