While practice your job mechanics in a dummy to build muscle memory and do more content to get use to the mechanics i suggest to keep your gear on cheek, you have many grey pieces so remember to visit ralgh reach for lvl 70 gear to buy ilvl 400 gear and farm some rouletes to get the needed tomestomes or you can find powerfull sets on the market for that lvl too, it will the make the duty easier and make you survive better.