Final Crisis Never Happened.The idea of the event exists, but the story itself went into the Limbo that itself told about in Superman: Beyond. The actual events never happened in universe. The Kicker, the effects made by the event, IE, Batman "Dying," The Flash returning, and the other characters who have been changed in someway, still carry on. Like a certain other event.....
Not only is Mandrakk the original Monitor from the first Crisis on Infinite Earths, he's violently insane due to the creation of the other MonitorsIts heavily implied and oft-theorized that Mandrakk was the original Monitor. What changed for him that could have driven him so mad and violent? Mr. Mind's Munchies. When the 52 new universes were created, 52 new monitors were also created- but from where? From Mandrakk. 52 pieces of his essence/mind/soul were torn out and expanded into separate corporeal beings, each with their own retroactive history like the world they represent. Mandrakk was driven mad by the loss of so many pieces, due either to essence loss leaving not enough mind to be sane, unimaginable pain, incredible weakness of being stretched thin leading to maddening hunger, or the multiverse's worst ever recorded case of postpartum depression.
Darkseid lost because he found an incorrect Anti-Life EquationThe correct one, of course, involves Squirrel Girl, also known as The Anti-Life.