Skirmisher

You move around battles in an unpredictable fashion. You gain the following benefits:

• Increase your Strength, Dexterity, or Constitution score by 1, to a maximum of 20.
• Your speed increases by 5 feet.
• You gain a +2 bonus to your armor class while you are moving and not wearing heavy armor or moving through difficult terrain.
• Opportunity attacks are made at disadvantage against you.