Arcane Swarm

Blazing orbs of arcane energy plummet to the ground at six different points you can see within range. Each creature in a 40-foot-radius sphere centered on each point you choose must make a Dexterity saving throw. The sphere spreads around corners. A creature takes 14d6 fire damage, 14d6 bludgeoning damage on a failed save, or half as much damage on a successful one. All creatures take 10d6 force damage.