Your Intelligence score increases by 2.

They reach adulthood at the age of 100, from that point on they live easily for 1000 or 2000 years, up to more. Upon reaching adulthood, thanks to the fey blood that runs through their veins they become ageless.

Those of the Seelie Court always lean towards Good Alignments (Lawful Good, Neutral Good, Chaotic Good). Those of the Chaotic Faction always lean towards Evil Alignments (Lawful Evil, Neutral Evil, Chaotic Evil). You are never True Neutral.

Faerie Elves range in size between barely 5 feet to well over 7 feet tall. Unseelie Court elves are about a foot larger than their Seelie Court counterparts and males are usually larger than females. Most have slender builds and weigh little. Your size is Medium.

Your base walking speed is 30 feet and your flying speed is 40 feet.

Accustomed to twilit forests, dark caves, and the night sky, 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 have advantage on saving throws against being charmed, and magic can't put you to sleep.

You have a pair of light, transparent wings that grant you a fly speed of 40-feet. You lose your flying speed until you complete a short or long rest if they are directly exposed to water.

Due to living in nature all your life and having to learn how to hide, you are proficient in Stealth and Perception

You are considered a fey creature for the purposes of spells and traits.

You don’t need to sleep. Instead, they meditate deeply, remaining semiconscious, for 4 hours a day. (The Common word for such meditation is “trance.”) While meditating, you can dream after a fashion; such dreams are actually mental exercises that have become reflexive through years of practice. After resting in this way, you gain the same benefit that a human does from 8 hours of sleep.

Faerie elves can speak, read and write Common, Elvish, and Sylvan.

Your Dexterity score is increased by 1 or your Strength score is increased by 1.

You constantly emit this aura of darkness around you that dims the area around you for up to 5ft unless you are wet, sleeping, emotionally compromised or decide to actively suppress its effects. As a bonus action, you can spread the field of darkness around you, heavily obscuring the area in a 10-foot-radius and lightly obscuring the area for an additional 10-foot-radius. This darkness lasts for up to 10 minutes before dissipating. Dispels magical light. You must finish a short or long rest before you can use this trait again.

The typical unseelie faerie focuses more on their brute strength, rather than magic. For years you spent time honing your skills to cut down anyone who might be in your way. You have expertise with one of the following: the longsword, shortsword, shortbow, or longbow.

Used to the forces of death and decay, starting at the 4th level. You are now resistant to Necrotic damage.

Due to your Fey Ancestry you were born with natural armor that is equal to 15 + Dexterity modifier.

Unseelie Court Faerie Elves are known to be violent and evil. Due to the darkness that emits from your body, you are proficient in Intimidation.