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

You have a Darkvision of 90 feet.

You can use your action to exhale destructive energy. It deals necrotic damage in a 15-foot cone. When you use your breath weapon, all creatures in the area must make a dexterity saving throw. The DC of this saving throw is 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 increase to 3d6 at 6th level, 4d6 at 11th, and 5d6 at 16th level. After using your breath weapon, you cannot use it again until you complete a short or long rest. Additionally, you gain resistance to necrotic damage.

you get proficiency in longswords, rapiers, and hand crossbows. additionally, pick one from the following options

• When you take damage from a creature in range of a weapon you are wielding, you can use your reaction to make an attack against that creature. You can do this once per short or long rest.
• You know the Dancing Lights cantrip. Also, you can cast the Charm Parson spell once per long rest.
• you have proficiency in one of the following options. Arcana, Deception, History, Intimidation, Persuasion, Slight of Hand, Stealth.

If they take over 5 times their player level in radiant damage from one thing they would have disadvantage on all attacks, ability checks, and saving throws for 60 seconds.