Gon vs Gyro will most likely be the final fight of Hunter x Hunter Manga, it is revealed in the Hxh manga that Gyro is the founder and former king of NGL. As a human, he suffered at the hands of his father. His ambition is to spread evil throughout the world. While Gon and Killua were in Doli City sometime after their encounter with Neferpitou, Gyro was also in the same city, though they never meet. His location after the Chimera Ant Queen’s death is unknown, but it is believed that he is trying to rebuild his empire again. During the seize on the Royal Palace of East Gorteau, both Welfin and Ikalgo realize that Gyro was their king during their previous lives. Welfin still believes that Gyro is alive and is determined to find him.