Your Intelligence or Wisdom scores increases by 1, and your Charisma score increases by 2.

You can speak, read, and write Common, Celestial, and Infernal.

You have immunity to fire damage and have resistance to radiant damage but have vulnerability to necrotic damage 

You know the thaumaturgy and light cantrip. When you reach 3rd level, you can cast the hellish rebuke spell as a 2nd-level spell once with this trait and regain the ability to do so when you finish a long rest. When you reach 5th level, you can cast the darkness spell once with this trait and regain the ability to do so when you finish a long rest. Charisma is your spellcasting ability for these spells.

Thanks to your heritage, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

Deevins mature 100 times longer humans but once they reach maturity they stop aging

Your base walking and flying speed is 30 feet.

Deevin's are about the same size and build as humans. Your size is Medium.

Because of your wings, you have a flying speed equal to your walking speed. You can’t use this flying speed if you’re wearing medium or heavy armor.

Because of you distant relation to succubie, You gain immunity to being charmed