"The Overlord-level forces that rule a region, the top forces with more than five Heavenly Immortals, the large forces with a Heavenly Immortal in command, the medium-sized forces that grasp the Heavenly Dao and with a True Immortal in command, the small forces with a Grotto Heaven and a True Immortal, and those lowly forces without even a Grotto Heaven..."
Gu Jinlai was browsing through some of the Jiang Family's collected books, supplementing his knowledge of the Profound Immortal Realm based on the information he had previously obtained through Zhao Xi.
The entire Profound Immortal Realm had been under a great unification a ten thousand years ago, ruled by the Xuanyuan Sword Sect.
After the conclusion of the battle against the Evil God, an internal reshuffling of powers occurred, combined with the increasing conflict among Sects, which eventually split into five.