i am a new bie to damage

i have a basic set im planning on using plz advise me

weapon : hyperos gun (100gl) 3%arm
helm : 81 legendary
armor : plan on. using abyssal armor or mir 50gl
belt : free pela 81 mythic (15%ed 4% int 10ms )
ring : 81 legendary
amulet : 81 legendary
arti : infested 8%int 15ms



ign Happydino
PLZ advise me how i improve this .
for gold farm new elite map
using cheapest possible options not super rish as a beginner