Chasm

You create a 100 foot long, 5 foot wide chasm of gravitational energy. Each creature in that line must make a Constitution saving throw, taking 8d8 force damage on a failed save, or half as much damage on a successful one.

Additionally, each creature within 10 feet of the line but not in it, must succeed on a Constitution saving throw or take 8d8 force damage and be pulled into its area. On a success, the creature is takes no damage and is not pulled.

Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 6th.