As yoiu get to higher levels it becomes increasingly necessayr to boost the primary skills required for your role. This chiefly affects rogues and artificers with the plethora of skills they use but also applies to anyone wanting to use Diplomacy, Concentration, Haggle, or Intimidate. Everyone can benefit from improving an array of additional skills that make dungeoneering easier: Balance, Jump, Spot, Search, and Swim.
Skills can be improved by wearing the right items, all of the following slots can be filled with the right gear to provide a bonus:
With such a wide variety of slots available it is easy to improve a number of skills. Bonuses to skill are a suffix on an item. e.g. Cloak of Hide +5. As usual, gear can be obtained through crafting, the auction house, or by opening chest in dungeons. Some named items can provide skill boosts to several skills at once e.g. Troubleshooter’s Goggles.