+1 to Dexterity and +2 Constitution

You gain Dark Vision for 120 feet, have a natural proficiency for stealth, and gain advantage on perception checks that utilize smell.

You can expend a hit die mid combat as an action and your hit die rolls gain a bonus to their roll equal to your proficiency bonus.
You are immune to disease and resistant to poison, but vulnerable to fire.

Choose a preferred environment. While within your preferred environment, you gain advantage on stealth, investigation, and survival checks.

You can accurately mimic sounds you have heard, including voices. A creature that hears the sounds you make can tell they are imitations only with a successful Wisdom (Insight) check against a DC of 10 + your proficiency bonus + your Charisma modifier.

You gain a claw and bite attack.

While in direct sunlight you have disadvantage on perception checks relying on sight.

Only meat is edible. You likely also have a taste for human flesh.