Spellplague

The Spellplague is a fictional event from Dungeons & Dragons' Forgotten Realms setting, occurring around the year 1385 DR. It was a magical catastrophe caused by the misuse of powerful spells tied to the goddess of magic, Mystra. The event unleashed chaos, destabilizing the magical fabric of the world, transforming landscapes, creatures, and magic itself. Cities and civilizations suffered great upheaval as magic became unpredictable and often dangerous. The Spellplague significantly altered the world's geography, magic systems, and political landscape, leading to a new era of uncertainty and change in the Forgotten Realms lore.