 Written in corrupted blood by the traitorous Guardian of the Universe, Scar, the book contains prophecies.The prophecies indicate which Earth heroes have the abilities to weather the Blackest Night and ensure the survival or destruction of the universe.Also within its pages is all the forbidden history of the Guardians of the Universe, and in an effort to protect its secrets, the rogue Guardian was forced to imprison the Sinestro Corps talekeeper Lyssa Drak inside the book.