Gymnast

You become more nimble, you gain the following benefits:

• Increase your Dexterity score by 1, to a maximum of 20.
• You gain proficiency in the Acrobatics skill.  If you are already proficient in this skill, you add double your proficiency bonus on checks.
• As a bonus action, if you make a DC 15 Acrobatics check and succeed, difficult terrain does not cost you extra movement for 1 turn or 10 minutes.