Ability Score Increase - Plus 1 to any Ability score of your choosing.

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. You can't discern colure in darkness

When you move, you can give yourself a flying speed equal to 30 ft. until the end of your turn. 

This flying speed is not affected by any movement speed spells or other abilities. 

You may use this trait once, and regain use at the end of a long rest. 

You know the charm person spell and may cast it without expending a spell slot once per day. Charisma is your spell casing ability for this spell, and when cast this way you may cast it at a level equal to your less than your proficiency bonus. 

Once you cast charm person with this trait, you can't cast it this way again until you finish a long rest. 

You may also cast this spell using spell slots granted by the Spellcasting and Pact Magic features. 

As an action you can mask your fiendish qualities. You appear exactly as you do normally, minus any markings of being a fiend (such as horns, tail, wings, and so on).

While you are masked this way, you cannot use your Fiendish Flight trait.
As and action, you may reassume your true form.

You are a Humanoid.

You are Medium