Bloodline of Levistus

Traits
Ability Score Increase	Your Constitution score increases by 1.
Legacy of Stygia	You know the Ray of Frost cantrip. Once you reach 3rd level, you can cast the Armor of Agathys spell once as a 2nd-level spell. Once you reach 5th level, you can also cast the Darkness spell once. You must finish a long rest to cast these spells again with this trait. Charisma is your spellcasting ability for these spells.