Subrace of Tiefling

Mordenkainen's Tome of Foes

Frozen Stygia is ruled by Levistus, an archdevil known for offering bargains to those who face an inescapable doom.

• 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.