Gain +2 to charisma and +1 to two other ability scores

you gain proficiency in Deception, Persuasion, or intimidation. 

When turn undead is used you must also make a saving throw, saving at the end of each of your turns on a failure.

Once per short rest you can use a bite attack to deal 1d6 necrotic damage on a hit and heal for that much. This can be used once per Short rest. Increases by 1d6 at 8,12,16 levels.

when not using this trait you can use your fangs or instantly grow your claws to deal 1d4 piercing/slashing damage (does not scale)

Once every 4 days you must feast on a cup of humanoid blood, or one cup of nonhumqanoid daily. (if you are past due of humanoid blood consumption, then once you fail to obtain non humanoid blood you suffer one point of exhaustion until you feed from a humanoid.)

You are immune to necrotic damage.