Known only as "The Dreamspell," it is the subject of myth and speculation and no one knows this spell's code. Legend has it that this is a spell of such magnitude that it can actually rip the fabric of reality in half.
There may yet be unconnected mentions of your desired lore topic not yet documented or linked on the above pages. To be absolutely sure, visit the Google Mouth and heed its response! It knows all things... on this website.