The Extreme Yang City could be considered as the center of the Northern Region. It was very prosperous in trade and commerce. The headquarters the Alchemist Society had in the north region was located here, as well as the headquarters that the Spirit Treasures Pavilion had in the north region. It possessed all the most bountiful resources of the whole north region. It could be said that all valuable items would first appear in the Extreme Yang City, be gathered, then delivered to every corner of the north region.