You are trying to be a gunslinger in maple story which skills should you max

Level 10 - 30 In this order: Double Shot-20 Dash-10 Bullet Time/Quick Motion-20 Somersault Kick-11 Level 30 - 70 In this order: Invisible Shot-1 Gun Mastery-20 Invisible Shot-20 Gun Booster-6 Blank Shot-20 Gun Booster-20 Recoil Shot-20 Wings-10 Grenade-8