Hastur's Phantasmal Killer

Spell Lists: Bard, Sorcerer, Wizard
4th-level Illusion
Casting Time: 1 action
Range: 120ft
Components: V, S
Duration: Concentration until dispelled
You tap into the nightmares of a creature you can see within range and create an Illusory copy of yourself, garbed in a yellow robe and oale mask. The illusion is visible to only that creature and has no effect on undead or constructs. The target must make a Wisdom saving throw. Onn a failed save the illusion manifests 10 ft away, and the creature suffers the frightened condition. Each turn the illusion moves 10ft towards the target at the end of its turn. If the illusion comes within 5ft of the target, they suffer 6d10 psychic damage.

At Higher Levels: When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d10 for each slot level above 4th.