You're extraordinary agile and dexterous and can bend, contort and control your body in ways that almost seem inhuman. 

• Your Dexterity score increases by 1 (up to a maximum of 20).
• You gain proficiency in Acrobatics. If you are already proficient in this skill, you gain Expertise in it.
• Once per short rest, you can reroll a failed Acrobatics check and have to use the new result.