Zanarkand Dome The Zanarkand Dome , also known as the Yevon Dome , is the ruins of the former temple and government seat of Zanarkand in " Final Fantasy X " and " Final Fantasy X - 2 " . It is probable that Yu Yevon was High Priest of this temple , as he was the leader of Zanarkand . Its architecture resembles the blitzball stadium in Dream Zanarkand . Story . After Yu Yevon decided to turn the remaining citizens of Zanarkand into fayth , and after losing his personality by summoning Sin and Dream Zanarkand , his daughter , Yunalesca , became master of the dome . By defeating Sin with the first Final Aeon , her husband Zaon , she died , but remained in the dome as an unsent whose only quest was to preserve the secret and legacy of Yu Yevon , and to create new Final Aeons from the guardians of a summoner who completes their pilgrimage . The dome is an enormous assembly of pyreflies of the fallen citizens of Zanarkand and the memories of summoners and their guardians , similar to the Farplane in Guadosalam . The fayth within the Chamber of the Fayth , Lord Zaon , has left its statue and is not able to be summoned anymore . After Yu Yevon ' s defeat , in " Final Fantasy X - 2 " , Cid turns the Zanarkand ruins into a tourist attraction , with Isaaru as a tour guide , until a species of monkeys take over the place . In " Final Fantasy X - 2 " , a new cave can be explored beneath the dome . The Cloister of Trials area is closed down by Isaaru and unrevisitable in Chapter 5 . Quests . " Final Fantasy X " . Cloister of Trials . " Aim : To fix the lift to the Chamber of the Fayth . " Subsequent Completions . " Aim : To find the Destruction Sphere treasure ( after getting the airship ) . " Dark Bahamut . After finishing the story in Zanarkand the party obtains the " Fahrenheit " airship . If the player returns to the room where Yunalesca was fought , they meet with Dark Bahamut . Dark Bahamut must be defeated if the player wishes to grab the Sun Crest , assuming the player has not done so on their first visit . This only happens in the PAL , International and HD Remaster versions of " Final Fantasy X " . " Final Fantasy X - 2 " . Isaaru ' s Test . During a mandatory mission in Chapter 1 , at The Beyond , Isaaru gives the Gullwings a test . If the player selects " Is that you , Isaaru ? " , the player is rewarded with the Heart Reborn Garment Grid . Operation : Monkey ! In Chapter 2 , returning to the Zanarkand Dome and speaking to Isaaru unlocks this sidequest . Yuna must pair up the monkeys with their soulmates in hopes they will multiply and drive away tourists . The monkey with floating hearts above its head signifies which one Yuna can grab . Their names hint at who their soulmate is . Trying to pair a monkey with one that isn ' t his or her soulmate can result in a loss of gil , so it ' s important to pay close attention . Attempting to leave the Dome Corridor whilst carrying a monkey will result in Isaaru confiscating it , resetting it to its original location . Successfully pairing all of the monkeys rewards the Gullwings with the Soul of Thamasa accessory . If the player does not complete the quest in Chapter 2 , it remains available to complete in Chapter 3 . The pairings are in the order as follows : Birch can be found where Yuna and her guardians once fought Lady Yunalesca , in The Beyond . He and Sequoia are paired in the Chamber of the Fayth , at the bottom right . Spring can be found in the Great Hall of the Dome . He is paired with Autumn in the smaller area of the Cloister of Trials . Autumn is the only other monkey in this area . Dusky is located in the Corridor , closest to the entrance / exit at the bottom of the map . Dawne awaits her soulmate all the way back to The Beyond , at the bottom right . Rosemary is just a few steps down in the Great Hall . Thyme is one of the many monkeys in the larger area of the Cloister of Trials . He is in the bottom right corner , next to a treasure chest . Terran is not far from Rosemary and Thyme , sitting in the same room at the upper part of the map . Skye is easy to find in The Beyond , as she is the only single monkey left in that area . Minni is in the Great Hall . Maxx is sitting where Terran was , on the small steps in the Cloister of Trials . Summer takes Yuna back to the Chamber of the Fayth . Winter sits in the Corridor beside the second treasure chest from the entrance / exit where Dusky was . Peke is in the Cloister of Trials , not too far below Minni and Maxx . Valli is disguised beside two lovers in the Chamber of the Fayth . Canis is beside the set of stairs that lead to The Beyond . His soulmate Felina is in the Corridor , at the far bottom of the map . Arroh is to be found at the bottom left in the Cloister of Trials , making him the last monkey in this area needing to be paired up . Quivrr waits beside a broken door in the Corridor . Golde is the last solo monkey left in the Chamber of the Fayth . Sylva is a few steps below where Arroh and Quivrr were paired up . A little further down the Corridor is Luna . Sol awaits her at the left side of the Great Hall , blending in well with the flooring . Musical themes . In " Final Fantasy X " , " Decision On The Dock " is played in the Dome , also during the Cloister of Trials , and even in the battles in random encounters . This theme also appears in " Theatrhythm Final Fantasy " as downloadable content . " Hymn of the Fayth - Yunalesca " plays in the Chamber of the Fayth . " The Trials " plays in the Cloister of Trials on subsequent visits . " Zanarkand " plays during the scene when the party discovers the true meaning of the Final Aeon . In " Final Fantasy X - 2 " , the theme is called " Zanarkand Ruins " . The track also has a piano arranged version on the " Final Fantasy X - 2 Piano Collection " album .