Nessus Upbringing

Ability Score Increase: Your Charisma score increases by 2, and your Intelligence score increases by 1.
Legacy of Nessus: You know the thaumaturgy cantrip. Starting at 3rd level, you can cast the hellish rebuke spell as a 2nd-level spell with this trait. Once you cast the spell with this trait, you can’t do so again until you finish a long rest. You can also cast the spell using any spell slots you have. Charisma is your spellcasting ability for these spells when you cast them with this trait.
Languages: You are fluent in Infernal and one standard language of your choice.