The Shadow Circle
destruction of Mystra's weave of magic
Mystra’s weave suffered an attack that was very successful, the weave slowly began deteriorating slowly fading out of existance.
The silver circle was embroiled in this mysterious attack and set out to discover who was behind or how to stop it. Their quest culminated in the willing sacrifice of Mystra and Selune and their sacrifice gave birth to the new elemental magic. An ancient pact made with the The Elemental Magic, to keep magic alive in Faerun if Mystra’s weave should fail.
Each member of the silver circle, became the primary node of each element, earth, air, fire and water and to bind them all together Valdemar, the new king of the silver marches became the 5th element dependent on the 4 others.