Celestial / Cosmic
During the War of Divinity, Mystra Mother of Magic was killed. The weave went into a frenzy and many arcane users lost the ability to use magic for a while until a new Goddess of Magic was put in place.
When the Mother of Magic died, with her last breath she destroyed a artifact called the Eye of Ao and scattered the pieces throughout Ortheos. On the place where is drew her last breath a temple was placed named after her home plane of existence, Dweomerheart,