The prehistoric practice system: the fifty-fifth level of the Dao of Chaos; prehistoric: (acquired day - mysterious realm - golden elixir - Nascent Soul - transformation of gods - integration) spiritual realm - heavenly realm - mysterious realm - golden fairyland - Daluo realm - Hunyuan realm - saint realm - heaven (fiftyth level) - chaos realm - eternal dao realm. Before the Lich Tribulation, the lowest level of living beings was the spiritual realm.