Your Charisma score increases by 2 and your Constitution score increases by 1.

Far Fallen Aasimar mature at the same rate as humans, but they can live up to 160 years.

Once possessing celestial power, most aasimar are neutral or even evil. Some Far Fallen Aasimar are still good. 

Far Fallen Aasimar have the same range of height and weight as humans.

Your base walking speed is 30 feet.

Even with your tainted soul, your vision can easily cut through darkness. 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.

Your great leap into the worlds of darkness has made you a marked Aasimar. You are resistant to Necrotic damage however you are now vulnerable to radiant damage.

You know the Minor Illusion cantrip. When you reach 3rd level, you can cast the Inflict Wounds 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 Blur 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.

Your once celestial wings, now burnt and scarred with the mark of your betrayal, are always on display for all to see your shame. You have blackened wings which are always out and cannot be hidden without the help of magic or great effort. You can use these wings to fly at a base speed of 30ft. In order to use these wings to fly you cannot be wearing medium or heavy armor. 

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