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!

Suddenly, a thought occurred to Chen Chang'an, startling him and shattering his previous calm.


At this moment, Chen Chang'an felt like he had fallen into a paradox.


According to Shen Xuzi, the first Great Dao flower in that space was taken there by himself in the past.


Yet, Chen Chang'an clearly remembered that all the Great Dao flowers he had came from that space!


In other words, it was because he brought the Great Dao flower from the Tai Xuan Secret Realm to the past that the current Tai Xuan Secret Realm now had the Great Dao flower.


It existed in the present because it was brought to the past, and without being brought to the past, it would not exist in the present.


But then, who could tell him, how did the first Great Dao flower come into existence in order for this to happen?


Chen Chang'an felt like he was stuck in a cycle, one he couldn't escape.


Chapter 143: Daluo Achieves Dao, Yuxuan Tianlao Asks about Immortality!_3