Stealthy
Player's Handbook · Customization Options
You know how best to hide, gaining the following benefits:
Increase your Dexterity score by 1, to a maximum of 20.
You gain proficiency in the Stealth skill. If you are already proficient in it, you instead gain expertise in it.
If you are hidden, you can move up to 10 feet in the open without revealing yourself if you end the move in a position where you're not clearly visible.