Prerequisite: Dragonborn (black, bronze, gold, green, or white)

You feel at home in the water, like your ancestors. You gain the following benefits:

• You can breathe both air and water.
• You have a swimming speed equal to your normal speed.
• You can take the Hide action as a bonus action while fully immersed in water.
• You gain proficiency in the Stealth skill. If you’re already proficient in it, your proficiency bonus is doubled for any check you make with it.
• You gain darkvision out to a range of 60 feet. If you already have darkvision from your dragonborn subrace, its range increases by 30 feet.