The Severing

Terranon engages in one of the greatest spells ever cast.

As the war drags on Terranon sees the power inherent in other species and a way to restore immortality to her people. She weaves a spell with the blessings of her goddess and draws the vitality from her foes, and everyone else. Dragonborn secluded in Draconia, halflings living peacefully, humans whom they're directly fighting. Millions of them die, those remaining have their lifespan drastically reduced.