What World Did You Choose?

[Four protagonists + probably no heroine + random writing by the author + novice + multiple training systems + probably daily life] Four great gods created an unspeakable... Commonly known as chaotic and complex world! Various systems are sprouting and growing in this world! Help, the strongest force in the human race, the Holy See of Light, has rebelled, and they have colluded with the demons. Holy See of Light: What are you talking about? It's obvious that you, a bunch of filthy bugs, have betrayed all life, and it's obvious that you have betrayed all holy and good life, so go and die for me. The supreme mechanical civilization: flesh and blood are weak, but machines soar! Special flesh-and-blood civilization: Mechanically weak, flesh and blood soars! Spirit-deficient civilization: Flesh, flesh, and machinery are all miserable and weak, only for the soul to soar to the highest level. A certain immortal cultivator: I have formed a golden elixir, and I have ascended to the Nascent Soul! World Hospital: Damn, why did someone get sick again? Trap him quickly, we are going to operate...