Ripples from the Past
Below the Temple of the Flame, deep below Mendera City, the holy city. There is a library of sorts, forbidden knowledge etched onto sheets of incorruptible metal. Forbidden because it comes from multiverses long gone, from worlds that no one remembers. Even immortals die when the entire multiverse end, only the eternals survive.... And anyone lucky enough to reside on Mendera or the 1st rift.
Even so, the metal books of Mendera are only ever read by a select few. Forbidden knowledge, by its very nature, can only ever be available to a chosen few. Mostly the knowledge held in the secret library, just gathers dust, rarely if ever looked at. Not the place to entrust with a secret so huge that...........