Bhunivelze ( location ) Bhunivelze is an inaccessible location from " Final Fantasy XIII - 2 " which also appears in " " . It is an enormous man - made spherical ark that floats due to the five Graviton Core s used in its structure . Like Gran Pulse , Bhunivelze is named after a deity from the " " mythos : Bhunivelze . The " Unsolved Mysteries " section of " Final Fantasy XIII - 2 Ultimania Omega " speculates that Bhunivelze being named after the god in the " Fabula Nova Crystallis " mythos has symbolic meaning , and that after the border between the mortal realm and the unseen realm was destroyed the god was awakened , and the man - made Cocoon ' s rise symbolizes this . Hope Estheim explains to Serah and Noel in " Final Fantasy XIII - 2 " that a new Coccoon was required to avoid a mass extinction event that would be caused by the predicted second fall of Coccoon in 500 AF , as the world ' s population would not be on Pulse when the fall occurs . Datalog . " The New Cocoon Project , proposed by Hope Estheim , entails constructing an entirely new shell that will house the relocated human race . " " This project began based on predictions that the crystal pillar supporting Cocoon will eventually collapse . A proposal to re - float the current Cocoon was also considered but subsequently rejected due to the necessity of reviving the fal ' Cie to provide a compatible power source . " " Construction of the man - made Cocoon began in 10 AF , and is scheduled for completion in the year 500 AF . " Story . " Final Fantasy XIII - 2 " . After learning of Cocoon ' s fate through the Oracle Drive in 10 AF , Hope decides to use the Academy ' s resources to devise a way to stop or minimize the damage Cocoon ' s destined fall could cause and save the populace . Hope initially proposes the Proto fal ' Cie Project to create a fal ' Cie to keep Cocoon afloat in the sky , as was the case when he lived in Cocoon . Hope witnesses a prophecy in the Oracle Drive that depicts Serah Farron in the Augusta Tower at 200 AF yelling at him for the Proto fal ' Cie Project he would have devised in 13 AF . Hope abandons the Proto fal ' Cie Project and concludes a new Cocoon must be man - made , and begins the New Cocoon Project . Caius Ballad exploits this in a plan to crash the new Cocoon with the old one in 500 AF when Hope prepares to launch it into the sky . Lightning alerts Serah , Mog , and Noel to Caius ' s plan in New Bodhum in 700 AF , and they stop him . When Serah , Noel and Mog return to Academia 500 AF from Valhalla , Cocoon ' s crystal pillar crumbles but the crystal holding Vanille and Fang is removed from it in time by Sazh Katzroy . Cocoon falls harmlessly thanks to another of the Academy ' s inventions , a metashield . Bhunivelze rises , but with Etro dead , the chaos of Valhalla emerges into Gran Pulse and consumes Bhunivelze . " " . In the aftermath of the mortal realm and the unseen realm merging into Nova Chrysalia , Bhunivelze floats in the sky of the newly created world with a ring that gives it a halo . After many years , people who settled in Nova Chrysalia forget Bhunivelze ' s original purpose , or have their memories remolded to not remember it , and consider it a moon . Inside , there exists a space where time does not flow called the Ark from where Hope helps Lightning on her journey to save the world . The Ark acts as a stable base for her where she can restock on items and rest . " " . After the souls of humanity have journeyed to the new world where everyone starts their lives anew , a reporter named Aoede begins investigating stories of people having memories of a past life in another world . Her interviewees reveal that back in the old world the fal ' Cie Pandaemonium acted on its own and cultivated the lands of Nova Chrysalia and constructed cities , the first being Luxerion , while its second construction was Yusnaan where it established a supply chain . At first people were reluctant to use the fal ' Cie ' s offerings , but the Counseil de Renaissance , an organization founded at the beginning of the world ' s decay whose focus was to help maintain mankind ' s survival , decided that the people should move to Nova Chrysalia as staying within Bhunivelze was seen as hampering humanity ' s chance of survival . Only a small team of scientists remained in secret to conduct research into Chaos , eventually discovering Chaos can be controlled via Antimatter Manipulation Principle . This research was never completed however as the scientists disappeared . As Hope began investigating the incidence he lost his mind to an illusion of Lightning that led him back to the manmade Cocoon . Hope was enslaved by the God Bhunivelze and remained within the Ark never to be seen again .