With a whispered invocation of extinction, you call upon the void to erase an entire species from existence. As you complete the ritual, you name a specific species (e.g., goblins, dragons, mind flayers) that exists within 100 miles. Every creature of that species within this range must make a Constitution saving throw. On a failed save, they instantly die, their bodies crumbling into dust. On a success, they take 10d10 necrotic damage and are permanently marked as the last of their kind, unable to reproduce.
Additionally, reality itself begins to forget them. Over the next 24 hours, written records mentioning them blur, statues and artwork depicting them erode, and memories of their existence become hazy. Creatures who knew of the species must make an Intelligence saving throw or recall them only as a vague legend, unable to describe them in detail. Those who succeed retain knowledge but find themselves doubting their own recollections.
A wish spell can undo the memory loss for an individual, but restoring the species itself requires divine intervention.
* - (a preserved bone from the target species, crushed into dust)
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