Skill Expertise
Level 1
At 1st level and every 4 levels thereafter, you can use expertise with one additional class skill. You must have at least 1 rank in a skill to select it, and it must come from the following list: Bluff (Cha), Computers (Int), Culture (Int), Diplomacy (Cha), Disguise (Cha), Engineering (Int), Intimidate (Cha), and Medicine (Int).