Since long before anyone can remember, magic has been a part of civilization as we know it. Some use it in the name of the law. Others use it for trickery and evil. Even some simply pursue the ancient knowledge embedded within magic. It always has, is, and will be a pivotal power of the entire universe.
One day, a group of wizards returned home, ready to peruse their library of spells, they found some of the spellbooks inexplicably blank. There was no trace of anything ever having been written.