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

You started out as a sea serpent type creature known as a Dratini, then as you grew older you became longer and started the development of wings as a Draonair, now as an adult you're a fully realized dragonite

Dragonite are taller and heavier than humans, standing well over 7 feet tall and averaging 400 + pounds. Your size is Medium to large

Your base walking speed is 30 feet.

You have draconic ancestry, as clearly indicated by the fact that you're practically a walking talking anthro dragon

You can use your action to exhale destructive energy. Y When you use your breath weapon, each creature in the area of the exhalation must make a saving throw, the type of which is determined by your draconic ancestry. The DC for this saving throw equals 8 + your Constitution modifier + your proficiency bonus. A creature takes 2d6 damage on a failed save, and half as much damage on a successful one. The damage increases to 3d6 at 6th level, 4d6 at 11th level, and 5d6 at 16th level. After you use your breath weapon, you can’t use it again until you complete a short or long rest.

The Damage is Radiant

You have resistance to the damage type associated with your draconic ancestry. (Radiant)

You can speak, read, and write Common, pokenese 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.