The Evil King Chases His Wife: the Good-For-Nothing Fourth Lady

After thousands of years of reincarnation, she traveled through time... The war hidden thousands of years ago is about to break out. Who urgently killed her? Who is helping her secretly? What is the shadow hiding in the darkness controlling? Is it a conspiracy or something else? According to legend, why did the clan of gods appear again after being extinct for tens of millions of years? Is it an illusion? Or does it exist? Why did the demons and undead open the barrier that had been sealed by the gods for thousands of years and appear in the human world?