Catastrophe [AoD]

While casting the spell, you focus on a single point that you can see within range while holding a pinch of fulminated mercury between your fingers. When you finish casting, you snap your fingers. All creatures within a 150-foot-radius sphere centered on the point must then make a Constitution saving throw as an earth-shattering shockwave explodes outward from the point in all directions. A creature's proximity to the epicenter of the shockwave determines the effects to which it is subjected, listed below:

• A creature that is 101 to 150 feet from the epicenter that fails the saving throw takes 5d12 thunder damage.
• A creature that is 51 to 100 feet from the epicenter that fails the saving throw takes 10d12 thunder damage and is deafened for 1 hour.
• A creature that is 6 to 50 feet from the epicenter that fails the saving throw takes 15d12 thunder damage, is knocked prone, and is deafened for 24 hours.
• A creature within 5 feet of the epicenter that fails the saving throw takes 20d12 thunder damage, is knocked prone, and is permanently deafened. If it is reduced to 0 hit points, it and any non-magical equipment it is wearing or carrying is completely obliterated.

A creature that succeeds on the saving throw takes only half damage and is not deafened or knocked prone.

The spell deals double damage to objects and structures within the same ranges, and can be heard up to 10 miles away.