Bahamut’s Smite (Paladin/Sorcerer Multiclass Only):

If you are both a paladin and sorcerer, you can invoke the Smite of Bahamut. When you hit with a melee attack, you deal an additional 4d8 radiant damage and the target must succeed on a DC 16 Wisdom saving throw or become frightened of you (and the amulet’s luminous dragon specter) until the end of your next turn