The Duskwalker's increase in Dexterity is a result of their natural agility and speed. It is said that their ability to move quickly and effortlessly through the shadows comes from their innate grace and coordination. Their lithe and flexible bodies allow them to dodge danger and move with incredible precision, making them formidable opponents. The increase in Intelligence for the Duskwalker race is a result of their deep understanding of the world around them. Their connection to the Shadowfell has granted them an otherworldly knowledge that few can comprehend. They possess an innate curiosity and desire for knowledge, constantly seeking to learn more about the mysteries of the universe. It is said that Duskwalkers are some of the wisest and most knowledgeable creatures in the world, with a profound understanding of magic and the arcane. Your Dexterity score increases by 2 and your Intelligence score increases by 1.

The ability to teleport short distances is a natural trait of the Duskwalker race. It is said that they are able to move through the Shadowfell, allowing them to traverse great distances in an instant. Duskwalkers use this ability to quickly evade danger or to surprise their enemies. As an action to teleport up to 50 feet to an unoccupied space that you can see. 

Starting at 6th level if you take damage or are the target of a ranged attack, you can do an evasive teleport, along with any equipment you are wearing or carrying, to an unoccupied space you can see within 20 feet of yourself as a reaction. If this effect is triggered by a ranged attack, you can add your Proficiency Bonus to your AC against the triggering attack, potentially causing the attack to miss you. You can use this trait a number of times equal to your Proficiency Bonus halved (rounded down). Regain expended uses when you finish a short or long rest.

Duskwalkers are immune to most forms of magic. This is because they are able to manipulate the Shadowfell, which gives them a natural resistance to magical effects. You have advantage on saving throws against spells and other magical effects.

The Duskwalker race has adapted to living in the shadows and darkness. They possess darkvision, which allows them to see in the dark as if it were bright light. This is a natural trait that has developed over time as a result of their connection to the Shadowfell. 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.

The Duskwalkers' natural proficiency in stealth is a result of their connection to the Shadowfell. They have an innate ability to blend into their surroundings and move with great speed and agility, making them difficult to detect. Duskwalkers are able to manipulate the shadows around them to create cover and concealment, allowing them to remain unseen even in the brightest of light.