General Dualblade

What to improve on I'm a 147 DB, but like everyone else, I feel as if I should improve. I have the following equips: Clean CZak, Epic 3line; 3% allstat 6% Luk 3lined Rex earrings 3% Luk Reverse DB mask 4% allstat Specs 12% luk pirate top HB pants with 6% HP and 6% MP 3% luk shoe 14 atk WG 4% luk 3 atk PAC 3% Allstat HTP Evo Ring Lv 11 Evo Ring II lv 17 Last UWG ring Angelic Blessing PvP Belt PvP shoulders 135 Pescas, with 4% crit and 12 atk on potentials 82 atk katara, 6% damage I have about 25k NX that I'd like to use on improving my range.