Chaos infusion Chaos infusions are places where Chaos energy gathers in thick clouds in random locations throughout Nova Chrysalia in " " . Where the outbursts occur , powerful monsters appear with increased stats . When they are defeated , Energy Points , gil and rate increases , and the infusion dissipates . Soul seeds spawn in Chaos infusions , but only once per in - game hour . Numerous Chaos infusions appear randomly throughout Nova Chrysalia but the Major Route s are the worst affected , with Chaos infusions erupting every few ( real time ) minutes . Chaos infusions appear as dome - shaped areas . Outside , they appear as glistening checker - patterned fog , and inside the vision is slightly dimmed with burning ember - like shreds flying in the air . Chaos battles have a reddish hue to them . If the player avoids a Chaos infusion it will eventually dissipate on its own . " The sea of Chaos encroaches upon the little land left in the world , with Chaos infusions appearing in cities and wilds alike . " Datalog . " Monsters become stronger within the Chaos ! " " However , there are some advantages to be found in battling monsters within the Chaos . You will have a better chance of receiving items , and will receive more gil and EP . " " When you defeat the monsters spawned by a Chaos infusion , the Chaos will disperse . Weigh the risks and decide for your self whether or not to avoid these battles . " Story . When Lightning chases Snow deeper into the Yusnaan Grand Palace , she encounters Lumina at the heart of the infusion who taunts Lightning and summons a Zaltys to fight her . She implies people are normally unable to see inside Chaos infusions , and that Lightning is different . When Lightning later finds Snow at the palace , he reveals he has been keeping a Chaos infusion locked away underneath the palace to save the city . Feeling unworthy , he plans to absorb the infusion to himself and have Lightning kill him . Lightning protests , but Snow steps into the fusion , siphoning its power and mutating into a Cie ' th hybrid . Lightning subdues Snow in battle and saves his soul , and the Chaos infusion does not return . In Luxerion Lightning meets a bounty hunter woman who directs Lightning toward a Chaos infusion in the Warehouse District saying there is a powerful monster hiding in the Chaos and that thirteen bounty hunters have already perished trying to take on the beast . Lightning defeats the Zomok and disperses the Chaos infusion , impressing the woman who suggests Lightning talk to Baird to become a seedhunter . Lightning does so and Baird advises her to look for Chaos infusion to discover soul seeds trapped inside . A Chaos infusion appears nearby and Lightning ventures inside , finding a soul seed which she can sell to Baird . In Yusnaan , Lightning can partake in a Death Game in the Warehouse District where the area becomes a giant unabated Chaos infusion . After winning at the game Lightning reprimands the Death Game hosts – – for offering such dangerous " entertainment " and the two cease their business . In the Wildlands , after uncovering the Angel of Valhalla ' s true identity , Lightning hears rumors of the Canopus Farms being under attack . Angel of Valhalla grows agitated as that is where Dr . Gysahl is looking after chocobos , and when Lightning and her steed reach the farms , they find them engulfed in a massive Chaos infusion with the chocobos trapped inside . Lightning and the Angel of Valhalla enter the infusion and kill a rampaging Chocobo Eater quelling the Chaos infusion , but are too late for the beast had already slain all the chocobos . On the world ' s Luxerion is engulfed in a gigantic Chaos infusion with the cathedral as the final safe haven before the Apocalypse commences . Chaos infusion locations . Luxerion . For quests , Chaos infusions erupt in the Arcade and in the Warehouse District , where Lightning must find a soul seed and defeat a Chaos Zomok , respectively . The pilgrim ' s passage on the east of Luxerion guarded by Order of Salvation ' s sentries also has Chaos infusions during night time . The middle of Forsaken Graveyard where Zomoks and Dreadnoughts appear is a common spot for Chaos infusions . Chaos infusions never appear within inhabited areas of the town . On the final day everything but the cathedral is engulfed in a massive Chaos infusion , but the player cannot enter it on that day . Yusnaan . There are no Chaos infusions within the city , but numerous outbreaks occur within Patron ' s Palace . During the Death Game quest the entire Warehouse District becomes a permanent Chaos infusion until Lightning has completed the quest . Outside the city in the Industrial District Chaos infusions happen rarely . Dead Dunes . Chaos infusions erupt on the desert areas , almost anywhere without much populace . Chaos infusions don ' t happen in the Temple Ruins , the monorail station or Ruffian . It is possible to battle Aeronite inside a Chaos infusion for an even harder version of it . Due to the Dead Dunes ' open nature , the Chaos infusions ' massive dome - like appearance can be seen better than anywhere else . Wildlands . Chaos infusions erupt at nights . During a quest , Canopus Farms is engulfed in a Chaos infusion , but on other times the infusions don ' t breach habited areas . The infusions can occur in the Jagd Woods , Rocky Crag , Eremite Plains , and among the ruins to the east . They don ' t occur on the wide open grasslands . Major Route s . All Major Routes are abundant in Chaos infusions that burst out every few moments . Musical themes . " Chaos infusions " is the seventh track on the third disc of the game ' s and plays whenever Lightning enters a Chaos infusion . Etymology . The Japanese name for Chaos infusions is " Cie Field " . " Cie " is used in names of three major terms within the trilogy : fal ' Cie , l ' Cie , and Cie ' th .