You can cast Detect Magic 3 times. You regain all uses of this feature upon completing a long rest.

You can alter small details of your appearance at will, such as the colour and patterns of your feathers, fur, scales or skin. You determine the specifics of the changes, including your coloration, hair length, eye color. You cannot alter your appearance to resemble another person.

You cannot be put to sleep by magical means and gain advantage against being charmed

You know the Charm Person spell. At 1st level you can cast it as a 1st level spell, at 3rd level as a 2nd level spell and at 5th level as a 3rd level spell. Your spellcasting modifier for this spell is Charisma. When the charmed condition from this feature’s spell ends on a creature, deal 1d10 of psychic damage to the target and heal yourself for the same amount. The target knows you inflicted that damage on them. You can cast this spell one time before you have to complete a long rest to regain this feature.