Dandwiki, Homebrew, 5esrd
Size
You are considered Small or Medium, depending on your base race. If you do not have a base race, you can choose the size when you choose this race.
Base Race
When you choose this race, you can keep the following elements of that race: any skill proficiencies you gained from it and any climbing, flying, or swimming speed you gained from it. If you don't keep any of those elements or you choose this race at character creation, you gain proficiency in two skills of your choice.
Darkvision
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 discern colors in that darkness as shades of gray.
Of Two Worlds
You are considered both Humanoid and Undead. You are cannot be charmed or poisoned, and are immune to poison and necrotic damage and disease. You do not need to eat, sleep, drink, or breath. Instead of sleeping, you just sit there, fully conscious, waiting for your damage to heal. 4 hours of this, just sitting, is the same as a human resting for 8 hours. You are able to regain health points from spells like cure wounds, but you are affected by the game effects that specifically target undead, such as a cleric's Turn Undead feature.
Ghostly Vulnerability
If your Shade dies, their essence is irrevocably dispersed and are unable to be resurrected.
Undead Knowledge
Most shades remember their past lives and all the spells and battle training in those lives. You have advantage on Intelligence skill checks to recall information.
Companions For Life
When you become a shade, whether by ritual or by answering the call of chaos, you gain a shadow creature as a companion. For the most part, this creature can only be heard by you in your mind. However, you are able to interact with them as the following:
After you use this trait, you can't use it again until you finish a short or long rest.
One with Shadows
Starting at 3rd level, you can use your action to dissolve your physical body into a most of shadow, when you are in the shadows. You become translucent and devoid of color, and the air around you grows cold.
Your transformation lasts for 1 minute or until you end it as a bonus action, or if someone casts lights around you. During it, you have the ability to move around in the shadows and move around up to your movement speed, and you have resistance to bludgeoning, piercing, and slashing damage from nonmagical attacks that aren't made with silvered weapons. In addition, you have advantage on ability checks and saving throws made to escape a grapple or against being restrained, and you can move through creatures and solid objects as if they were difficult terrain. If you end your turn inside an object, you take 1d10 force damage and are flung 5 feet away and knocked prone.
Once you use this trait, you can't use it again until you finish a long rest.