You have resistance to necrotic damage

You have resistance to fire damage.

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

As an action, you can touch a creature and cause it to regain 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 CHA is your spellcasting ability for it

You know the thaumaturgy cantrip. When you reach 3rd level, you can cast the hellish rebuke spell as a 2nd-level spell once with this trait and regain the ability to do so when you finish a long rest. When you reach 5th level, you can cast the darkness spell once with this trait and regain the ability to do so when you finish a long rest. Charisma is your spellcasting ability for these spells.

Thanks to your infernal heritage, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

Tiefling aasimars mature at the same rate as humans but live a few years longer.

Tiefling aasimars are about the same size and build as humans. Your size is Medium.

Your base walking speed is 30 feet.

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