Dungeons and Dragon Ball (Ver. O.1)

By harnessing the life energy of the world, you create a well of power that surpasses the limits of any mortal spellcaster. The damage dealt by this spell, as well as its area of effect, is determined by the environment and population within 50 miles of you: Enviroment; base damage: Dense (Jungle or Lush Forest) 40d6 Moderate (Forest or Ocean) 30d6 Minor (Hills or Valleys) 20d6 Sparse (Mountains or Desert) 15d6 Scourged (Dead or Desecrated) 10d6 Population; bonus damage: Dense (Large City) +40d6 Moderate (Town) +30d6 Sparse (Village) +20d6 Limited (Caravan) +10d6 Uninhabited +0 Once when you cast this spell you can use your action to gather energy from your surroundings, in order to derive energy from the population, they must be willing to contribute to it. Once the spirit bombs is throwed every creature at the end of it must make a Dexterity saving throw, they take full force damage on a failed save, or half as much on a success.