Intergalactic conquest with an AI - Chapter 401: Weapons free.

Yao Tang, the daughter of the Yao family who mistakenly exchanged at birth, was finally found.

Having been confessed by the person you in love with must be a dream come true.That happened to me. However, I found out later that the confession is not meant for me but for my classmate named Kyzer. he’s handsome, rich, and popular. On top of that, he’s a top student.It all happened because of the tiger costume I am wearing .Feeling defeated, I went back home with a bleeding heart.On my way toward home, a white van stopped in front of me and abducted me. I was abducted because they thought I was Kyzer thanks to the costume.A series of misfortunes befell to me one after another.When I opened my eyes again, I found myself in an unfamiliar room. Then I become the subject of a weird experiment.In the next day, I woke up in my bed by a loud ringing and discovered some weird widgets floating in front of my vision.I learned later that the peaceful city I was living till today is now in an apocalyptic situation. Demonic creatures were running rampant causing chaos to the land.Using my System, I will survive in this apocalypse.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

After annihilating Han, Zhao and Wei empires in succession, the dynasty of Qin is ushering in an unprecedented flourishing age with powerful cultivators emerging endlessly. People take pride in being part of the Qin dynasty. However, Ding Ning, a young lad of humble origin in Changling, Qin, is determined to subvert this dynasty and kill the emperor who breaks in the Eighth Realm.