You deal 10d8 bludgeoning damage to the creatures in to the creatures within the sphere, taking half damage on a successful constitution saving throw. Creatures on the ground need to make a dexterity saving throw or fall prone. In addition, fissures open on the ground in locations of the DM's choice, possibly causing additional damage or effects. This spell deals double damage to non worn or carried objects and structures. Each turn the spells is maintained, it deals 1d8 less damage. Creatures that are flying or hovering are not affected by this spell. This spell can also be used as a melee spell attack. If used as such, the area affected becomes a 30ft radius sphere centered around the attack's target, and in addition to this spell's regular damage, the target also takes an extra 6d8 Thunder damage and is knocked back 20ft