In order to improve a stat, you must enhance the weapon by going to one of the following: Ninja/Assassin Trainer Trainers (Warrior, Mage, Rogue, Healer) Cysero Each class has
… certain enhancements. Mage, for example, focuses on Intellect. Healer has Intellect and Endurance, etc. In your case, go to the Trainers (the rogue) and Enhance your gear with the Rogue enhancements. After 4 level-ups, Go back to the rougue trainer and see if there are any stronger enhancements. Always return to the Rogue trainer. These enhancements can increase your dexterity stat dramatically. If all your gear is enhanced to a certain class, then you should be very powerful. My suggestion would be to use the dexterity boost on your rogue class and/or Ninja. Hope that helps. (MORE) 
