Pandaemonium ( Final Fantasy II ) Pandaemonium , sometimes spelled Pandemonium , is the final dungeon of " Final Fantasy II " . The capital of Hell , it was initially ruled by Satan until his defeat by the Emperor , and was afterwards risen to the surface upon his return to the mortal world as the Hell Emperor . Its advent destroys and replaces Castle Palamecia . Story . Many centuries ago , a great hole opened in the world , and many monsters spilled out . After them , the palace of Hell , Pandaemonium , rose from it . The people , fearing for their lives , made the ultimate spell , Ultima . Using this spell , they managed to seal the palace back from where it came . However , the monsters still remained , and the mages who cast Ultima , fearing their new power , went away and founded the town of mages , Mysidia , in a secluded area . Here , they sealed the Ultima Tome away , so that no one else could use its power . After the party killed the Emperor , his soul , or rather , the dark half of it , goes to Hell . Here , he absorbs the dark powers , and becomes Emperor of Hell . Using his new powers , he is able to raise Pandaemonium to the Earth again , where Palamecia used to stand . The party travels through the Jade Passage , and arrives in Pandaemonium . Here , they travel to the top and find the Emperor . They manage to defeat him in battle , and with his powers now gone , Pandaemonium once again sinks back into Hell . Musical themes . The background music in Pandaemonium is named after itself , " Castle Pandaemonium " . The song was remixed and included in " Final Fantasy IX " as its theme for Castle Pandemonium . It was also remixed for " Dissidia 012 Final Fantasy " , and this version , along with the original , also appear in the " Dissidia Final Fantasy " arcade version . Other appearances . " Final Fantasy Tactics " . Pandaemonium was mentioned as one of the wonders in " Final Fantasy Tactics " , although the overall description has more similarities to Castle Palamecia than to the actual Pandaemonium . It bears the following description : " Dissidia Final Fantasy " . Pandaemonium is the representative arena of " Final Fantasy II " in " Dissidia " . Here , Warrior of Light , Tidus , and Firion each battle the Emperor in their respective storylines , and Zidane speaks to Cosmos here . Terra and Onion Knight also have an encounter with Exdeath here , as does Bartz . The palace is perhaps the most closed - in arena in the game , with many walls , low ceilings , and few open areas . The center of the stage contains a Banish Trap at the bottom of a pit over which hang a handful of small , square platforms . The stage ' s Ω form causes patches of ground to randomly turn red and black . When this occurs , spikes randomly appear and pierce upwards when the characters battle over these patches of ground , damaging their Bravery by a set percentage and adding it to the Bravery pool . Perhaps fittingly , the Emperor ' s trap abilities work fairly well here due to the lack of space to maneuver in . The Demon ' s Soul is the battlegen item obtained through stage destruction in this area . " Dissidia 012 Final Fantasy " . Pandaemonium returns as an arena in " Dissidia 012 " . Additionally , the top floor of Pandaemonium appears as a new arena called " Pandaemonium - Top floor " . Unlike the Pandaemonium Arena , which is a very closed - in space , the Top Floor is fairly spacious and wide . Numerous crystal formations litter the arena , and can be broken and stood on as platforms . The Emperor ' s throne lays against the far wall . Here , the Emperor speaks to Golbez about the Warriors of Cosmos and how they acquired knowledge confidential to Chaos ' s forces , before telling him about his plans to infuse Jecht with Chaos ' s powers . Later in the thirteenth conflict , Zidane reassures the Onion Knight , who worries over the possibility that summoned warriors are simply manikins made into what they are now . Along with the Crystal Tower , Phantom Train , and the Prima Vista , the top floor of Pandaemonium has no Omega version . Its battlegen item , obtained through stage destruction , is the Palamecian Gem . " Dissidia Final Fantasy ( 2015 ) " . A new version of Pandaemonium appears as a stage in the arcade reboot , featuring sloped elevated platforms , destructible pillars , and demonic traps . The brightly colored walls are noticeably darker , and appear more organic and demonic . In the stage transition , the walls and roof disappear , a thunderous and warped sky can be seen , and crystal spikes circle the stage . As such , the stage is a fusion of both Pandaemonium stages in the PSP versions . " Theatrhythm Final Fantasy Curtain Call " . The top floor of Pandaemonium , as it appeared in " Dissidia 012 Final Fantasy " , appears as the BMS for " Battle 2 " .