Your Dexterity score increases by 2. Your Constitution score increases by 1.

Fen age much faster than humans and typically only live around 45 years, reaching physical maturity at around age 8.

Fen range from 4 to just under 6 feet tall and have slender builds. Your size is Medium.

Your base walking speed is 30 feet.

Accustomed to dark and foggy marshlands, you have superior vision in dark and dim conditions. You can see in dim light within 30 feet of you as if it were bright light, and in darkness as if it were dim light.

Accustomed to catching prey in the marshlands, your mouth is full of sharp, poisonous fangs which you can use to make unarmed strikes. If you hit, you deal piercing damage equal to 1d6+ your strength modifier, and the target must make a constitution save. The DC for this save equals 10+ your proficiency bonus. On a failed save, the target takes 2d4 poison damage.

At 5th level, the poison damage increases to 4d4. At 9th level, the poison damage increases to 6d4.

You have advantage on saving throws against being charmed, and magic can’t put you to sleep.

You have advantage on survival checks made in swamp terrain. Additionally, difficult terrain caused by swamp terrain does not affect you. You also have advantage on saving throws against poison damage and the poisoned condition.

You can speak, read, and write Common and another language of your choice.