Eldritch Ray

You channel the chaotic energy of the Eldrazi, unleashing a ray of eldritch power at a target within range. Make a ranged spell attack against the target. On a hit, the target takes 1d8 force damage and must make a Wisdom saving throw. On a failed save, the target experiences disorienting visions of the void, granting disadvantage on its next attack roll or ability check before the end of its next turn.

At Higher Levels. When you cast this spell using a spell slot of 1st level or higher, the force damage each increase by 1d8 for each slot level above the Cantrip level.