earthquake through air

This spell can be conjured from 100ft and has a area of effect 25ft from the center of the attack and has a dc 15 dex saving throw and if they succeed they take half damage and don't get knocked prone and stunned and on a nat one they take times two damage. Structures automatically take two times damage and anybody in the radius has a force pushing them to the earth.

Damage=8d8s of bludgeoning damage

as you feel your rage and horror raise inside you, your honor, pride and belief raises at the same time causing your belief to quake through the air destroying the target that is causing you so much grievance, you don't know how this truly works but you know you will need this.