After Refining Qi for Millions of Years, You Tell Me This Is Douluo?

Li Changsheng was tricked by the system and deceived into practicing Qi in the system space for a million years. He originally thought that the outside world was a prehistoric world where big guys were everywhere! Result! Are you fucking telling me this is Douluo? The 999999th level of Qi refining period! The One-Sword Immortal kneels down! Destroy the God King with one technique! A fart can kill a titled Douluo! It turns out that I am the boss? Um? ! !