Celestials have the same range of height and weight as humanoids.

Your base walking speed is 40 feet, flying speed of 70 feet.

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

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

Celestials mature at the same rate as humans, but they can live up to thousands of years. But their bodies develop at half the rate.

A creature with truesight can see in normal and magic darkness, see invisible creatures and objects, automatically detect visual illusions and succeed on saving throws against them, and perceive the original form of a shapechanger or a creature that is transformed by magic. Furthermore, the creature can see into the Ethereal Plane.

You have immunity to radiant damage and  resistance to necrotic damage.

As an action, you can speak words of healing to a creature and cause it to regain a number of hit points equal to your level. Once you use this trait, you can’t use it again until you finish a long rest.

You know the light cantrip, Devine Favor at 1st level.

Starting at 3rd level, you can use your action to unleash a wave divine energy, causing your wings to glimmer and a golden halo appears above your head. Your transformation lasts for 3 minutes or until you end it as a bonus action. During it you emit a wave of radiant energy in a 10 foot radius, and once on each of your turns, you can deal extra radiant damage to one target when you deal damage to it with an attack or a spell. The extra radiant damage starts at 1d4 and scales with your level.