Alathar's pact of destruction.

When you cast this spell put the wrists of your hands together and point your palms to the target. Then the target makes a Constitution saving throw, on a success they take half as much damage. On a failure, the target takes 40d6 fire damage divided by the number of creatures in a 15-foot radius of the target and no single creature can take more than 30d6 damage., and all creatures within a 15-foot radius of the target take 10d6 fire damage. All creatures hit by this spell are moved away from the center of the spell by 15 feet.