help with my build

i'm just using thse guid >>https://www.pathofexile.com/forum/view-thread/2011311

great guid but.....

i have very good gear and very good tree passiv and still i dont see the dmg he tolking about , what do u say ? my passiv and gear ok ? i need only good armour 6L but wait fo good one to sell , i have the corency to change passiv and gear so.... plz help thx