Prerequisite: You have the Mobile feat
You've reached the apex of speed and agility. You gain the following benefits:
• Increase your Dexterity by 1, to a maximum of 20.
• Your speed is doubled.
• While unarmored or in light armor, you gain a +1 bonus to AC.
• If you are faster than another creature, you can add 1d6 to your attack and damage rolls against that creature.