Charon's Ferry of the Dead

Casting this spell, you summon the favor of The ferryman Charon, his oar separates the soul from the body. You deal 3d10 necrotic damage and the creature must succeed on a DC 16 charisma saving throw or be frightened until the end of it's next turn. If cast within the range of any undead creature, that creature takes 1d6 damage.