Your Strength score increases by 2, and your Charisma score increases by 1.

Young dragonborn grow quickly. They walk hours after hatching, attain the size and development of a 10-year-old human child by the age of 3, and reach adulthood by 15. They live to be around 80.

Dragonborn tend to extremes, making a conscious choice for one side or the other in the cosmic war between good and evil (represented by Bahamut and Tiamat, respectively). Most dragonborn are good, but those who side with Tiamat can be terrible villains.

Dragonborn are taller and heavier than humans, standing well over 6 feet tall and averaging almost 250 pounds. Your size is Medium.

Your base walking speed is 30 feet.

You have advantage on Wisdom (Perception) checks that rely on smell.

You can use your action to release a horrible smell. For the next 30 seconds, all creatures within 15 feet of you must make a Constitution saving throw or be poisoned until the end of the creature’s next turn. The DC for this saving throw equals your 8 + your Constitution modifier + your proficiency bonus. On a successful saving throw, the creature is immune to the stench for 1 hour.

Once you use this ability you can’t use it until you take a long rest.

You can speak, read, and write Common and Draconic. Draconic is thought to be one of the oldest languages and is often used in the study of magic. The language sounds harsh to most other creatures and includes numerous hard consonants and sibilants.

you stare at a creature with a flesh rotting gaze. You can use an action to stare at a creature that you can see within 30 feet of you. The creature must make a Constitution saving throw. The DC for this saving throw equals your 8 + your Constitution modifier + your proficiency bonus. The creature takes 2d6 necrotic damage on a failed save or half as much on a successful one.  The damage increases to a number of d6s equal to your proficiency bonus.

After you use your death beam, you can’t use it until you take a short or long rest.