My cow ran away

In the mystical fantasy world, Chen Chang'an was confined to the forbidden library as soon as he arrived,
The sky literally started falling from the very beginning.
Fortunately, at that very moment, his system awakened,
All he needed to do was to read scriptures, and he would keep getting stronger.
Thus, with the library filled with various books, a smile appeared on Chen Chang'an's face.
........
[Ding! You've read Daoist Scriptures and gained a level in 'Heaven Opening Law', currently Level 6.]
[Ding! You've read the Secret Manuscript of Ten Thousand Buddhas, gained a level of Divine Skill 'Six Daos of Reincarnation', currently Level 8.]
[Ding! You've read the Secret Records of Demon Gate, gained a level of Divine Skill 'True Demon That Shakes The World', currently Level 7.]
....
[Ding! Due to the Laws of All Heavens being added to your body, embellished with trembling Literary Qi of the Great Dao, you're rewarded with: Become a Saint on the spot!] 
Years later, as time turned everything old, the world above and the world beneath were already in a desperate turmoil, with immortals descending to the mortal world, and gods and demons performed chaotic dances, making the lives of people unbearable.
Chen Chang'an stepped out of his seclusion one day, looking at the heavenly gods and buddhas scattered across the sky.
“I'm not targeting anyone in particular, but everyone here is garbage!”
That day, he swung his sword and parted the heavens, ever since then, Heaven belongs to Heaven, Earth belongs to Earth!
....!
[PS: Extreme mystical fantasy flow, invincible style! Light readers beware!] 

Become a Saint through Studying! Exposed by my little junior sister!

However, he quickly became discouraged because he found out that Chen Chang'an wasn't paying attention to him at all.


On the contrary, he seemed deeply in thought.


Chen Chang'an was indeed deep in thought. The term "Daoist Realm" might not mean much to Shen Xuzi, but it meant something to Chen Chang'an.


If he remembered correctly, Mao Ruxue had once mentioned it in passing.


She had vaguely awakened some scattered fragments of memory. From those fragments, she discovered she seemed to be from another world.


And that world was called the Daoist Realm!


Chen Chang'an couldn't help but to smack his lips at this thought.


"Old man, I have another question, answer me honestly."


Chen Chang'an asked: "I'm curious, what were the root causes of the three wars in the Ancient Era, the Mythical Era, and the early ancient times that triggered apocalypse?"


Chapter 170: Chen Chang'an advises farmers, Shen Xuzi's theory of catastrophe! _3