Unyielding Plague

Shoot a look at a humanoid creature. They are instantly infected with a plague that has no known cure.

This effect is not contagious.

In addition, you can perform a ritual to spread it out of your line of sight, across the mortal plane.

This spell causes the exhaustion and poisoned conditions, as well as a disadvantage on death saving throws.

You can choose to end this spell’s effects at any time.