Elluria's Mind Blast

A purple and blue orb erupts from your hand soaring forth and striking a point you choose within range and then blooms in a scintillating sphere giving off a low hum. Each creature in a 20-foot-radius sphere centered on that point must make a Intelligence saving throw. A target takes 8d6 psychic damage on a failed save, or half as much damage on a successful one.

If any creatures fail the save they are stunned for 1 round.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each slot level above 3rd.