You can use your reaction when you take fire damage to heal 1d8 plus your spellcasting modifier or constitution, if you have none. You take no fire damage when you use this abilities.

You have cold vulnerability 

Your Dexterity score increases by 2, and your Constitution score increases by 1.

Flameborn reach maturity by age 60, and usually live for 240 years, due to their regeneration..

Most Fireborns are chaotic in nature, but individuals vary among good and evil.

Aarakocra are about 5 feet tall. They have thin, lightweight bodies that weigh between 80 and 100 pounds. Your size is Medium.

Your base walking speed is 30 feet.

You have a flying speed equal to your walking speed.

You have a flying speed equal to your movement speed. To use this speed, you can’t be wearing medium or heavy armor.

Your talons are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal slashing damage equal to 1d4 + your Strength modifier, instead of the bludgeoning damage normal for an unarmed strike.

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