Lead Air

Celestial (gravitomancy) 6th level

Casting Time: 1 action
Range: 100 feet
Components: V, S
Duration: Concentration, up to 1 minute

You can manipulate the gravity of the air, causing it to transform into a sphere of dark gravitational energy and fall at high speed in an area with a 50-foot radius. A creature in this area must make a Strength saving throw. On a failure, it takes 8d10 gravitational damage and is knocked prone, unable to take any action, bonus action, or reaction. On a success, it has its movement halved and has disadvantage on attack rolls.

A creature Prone through this spell must repeat the saving throw at the beginning of each of its turns. On a failure, they take 4d10 gravitational damage and remain Fallen. On a success, their movement is reduced by half and they have disadvantage on attack rolls.

At Higher Levels. When you cast this spell by spending Mana points equivalent to a 7th-level spell or higher, the gravitational damage increases by 1d10 for each spell level above 6th level.