I long to return home!

(Protagonist transmigrates + no system + comedic + traditional fantasy + Xianxia + decisive killing) (This book fulfills my childhood fantasies about cultivation and anime; it may involve some game characters, please refrain from criticism if you disagree.) When I thought I had just died from overwork while playing a game, I unexpectedly transmigrated to the cultivation world that existed in the book. When I peacefully cultivated to return home, I encountered countless hardships. When I finally reached the pinnacle of cultivation and could return home, I discovered that everything was predetermined, orchestrated by someone. Alone through countless ages, I am the Heavenly Dao; I am also the origin. I will cultivate to become an immortal for one lifetime, and a demon for another, all to find the way home. I will become...