Being a combination of dragons and elves, these beings have the blessings of both

The strength of the dragons combined with the wisdom of the elves brought about improved sight.

Using your breath weapon, each creature in the affected area must make a save depending on the type of damage chosen by your ancestry. The DC is 8 plus your Con modifier plus your proficiency bonus. You can use this feature equal to 1 plus your Con modifier. On a failed save, target takes 2d8 or half on a success. Damage increases to 3d8 at 6th level, 4d8 at 11th level, and 5d8 at 17th level.

Your ancient heritage allows you to understand the languages of the elves and dragons, in addition to Common. You also gain access to two skills of your choice

The centuries of union have allowed the Dragon Elves to hone their skills in the art of war, granting them proficiency with a variety of armaments.