Vacuum Blast

3-level Evocation

A small black orb flies from your hands to a point in space and swells to a small sphere of the vacuum of space. Each creature within a 20-ft. radius sphere centered on the point must make a Constitution saving throw. On a failure, a creature takes 6d6 force damage and is pulled to the center of the sphere. On a successful save, a creature takes half damage and is not pulled. The vacuum then collapses out of existence. All non-magical fire within the area is extinguished.
 
At higher levels: When you cast this spell at 4th-level or higher, the damage increases by 1d6 for each spell level above 3rd.