The World Was Destroyed at the Beginning, but I Opened up the World with My Backhand

[Revival of spiritual energy + cultivation of the world + invincible flow. There may be a female protagonist, but I haven't decided how to write it yet. So not yet. The magic card will not exist for a long time due to plot reasons. ] This is a world that has undergone drastic changes and civilization is about to be destroyed! When traces of technology disappear, will the progress of civilization be blocked? When the fire of civilization is ignited in a foreign country, will it rise like a prairie fire? Or is it trapped in reality and completely extinguished? What is the future, and what is the truth of the past? What is this suddenly opened world, and who am I?