Ominous Shadow

6th-level necromancy

Casting Time: 1 action

Range: Self (60-foot cone)

Components: V, S, M (a horn from a creature native to the Plane of Shadow)

Duration: Instantaneous

When you cast this spell, you extend your shadow out in a 60-foot cone. Each creature in the area must make a Constitution saving throw. On a failed save, a creature takes 8d10 necrotic damage and has disadvantage on attack rolls and saving throws until the end of its next turn. On a success, a creature takes half the damage and doesn’t have disadvantage on attack rolls and saving throws from this spell.

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage increases by 1d10 for each slot level above 6th.