defeat Sin's ever-regenerating incarnations. When Yuna and her guardians refuse to sacrifice anyone for the Final Summoning, Yunalesca fights the party but is defeated and vanishes. She reappears in the Via Infinito in Final Fantasy X-2 as the fiend "Chac", while Zaon reappears as the fiend, "Paragon". Yu Yevon is the ruler of the original Zanarkand and the father of Lady Yunalesca. Near the end of the war between Zanarkand and Bevelle, Yu Yevon and the remaining townspeople and summoners decided to preserve the overpowered Zanarkand at all costs. They all become fayth for the summoning of "Dream Zanarkand" and then drawing on millions of pyreflies with Gravity spells, Yu Yevon creates Sin. The mental effort necessary to create both Dream Zanarkand and Sin essentially wipes Yu Yevon's mind clean, overwriting it with his final command: summon Dream Zanarkand and continuously create Sin. If Sin is destroyed, he then recreates it by possessing the Final Aeon that defeats it. In the end, Tidus' group use the aeons to weaken the disembodied spirit of Yu Yevon, and destroy him. Shuyin is the main antagonist of Final Fantasy X-2. He is a native blitzball star from Zanarkand who had lived during the age of the Machina War between Zanarkand and Bevelle. The lover of the summoner Lenne, he refused to accept her fate when she was ordered to the front lines and attempted to commandeer Bevelle's machina weapon, , in the hopes of using it to end the war and save Lenne. Both Shuyin and Lenne were gunned down in front of Vegnagun after she prevented him from using it to take many lives for her sake. Sealed in the Den of Woes, Shuyin's unsent spirit was filled with despair and self-loathing, not capable of fading away and be free of his suffering. Shuyin desires to destroy all of Spira in the hopes that his agony may be able to end and that there can never again be a war like the one that cost him and Lenne their lives. Unlike other deceased people, Shuyin is called a "shadow" of his original self, being able to take a physical form. This allows him to possess people or fayths, using their aeons to help him. He is eventually defeated and shortly reunited with Lenne before they fade away. In response to rumours that Tidus was created by the fayth based on Shuyin, Square