Devistation

Touch the Meteor piece and casting the spell you embue the stone with an Incredible amount of magical energy too much for the stone to handle once youre a safe distance the stone erupts into a Devastating explosion any creature in the blast radius of a 1,000 ft sphere must succeed a DEX Saving throw on a Successful save the target takes no Damge and makes it safely out of the blast radius on a Failed save the target takes either 100 d6s or 6 d100s fire damage (Players choice) and is engulfed with severe hellish flames that destroy everything in its path 

The Caster of this spell must use All Available spell slot to activate the Devistation and receives 1 point of Exhaustion