All the Lights in the Sky are Stars
8-level Conjuration
You materialize a minor moon from its place in the stars to use as an instrument of doom. A large stone moon of 100-foot radius appears 1500 feet above a point you can see within range. The spell fails if you can't see a point in the air where the moon could appear, or if you do not have a clear view of the sky.
The moon falls 500 feet at the start of each of your turns. Each creature in the moon's path as it falls must make a Dexterity saving throw. On a failed save, a creature takes 6d6 bludgeoning damage and is grappled until the end of its next turn, pinned by the moon. On a successful save, a creature takes half as much damage and is pushed out of the moon's path, up to 100 feet away from the moon.
Once the moon collides with the ground, each creature within 100 feet of the point of collision takes 12d12 bludgeoning damage. The spell deals maximum damage to structures. The moon then break into pieces, leaving a 100-foot radius impact crater, which becomes difficult terrain until cleared, with each 5-foot-diameter portion requiring at least 1 minute to clear by hand.
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