Vile Vapor

You bring forth a glittering black cloud of vapor that spreads out from your palm in a 10ft cone. Any creature who comes in contact with the dust must make a Constitution Saving throw or be filled with the horrid pain of death. On a failed save, a creature takes 1d6 necrotic damage and is filled with a sense of dread till the end of their next turn. This sense of dread prevents the creature from taking any endangering actions as they now fear dying above all else.

Undead and Constructs are immune to the sense of dread.

This spell's damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).