Booming Missile

You create three glowing missiles. You choose what the missiles look like. Each missile hits anywhere you choose that you can see within range.The missiles deals 2d6 + 2 force damage in a 3by3 square area. all creatures in the area make a Dexterity saving throw.The missiles all strike simultaneously, and you can direct them to hit one or several.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the spell creates one more missiles for each slot level above 3rd.at 5th level the square becomes 5by5 and at 8 level the the square becomes 10by10 also at 8th level the spells range double.