The Undefeatable Swordsman - Chapter 194. Eight Years of Hardship and Suffering (15)

[I have led a cautious life, but the system keeps trying to do me in] “Ding Dong!” “Welcome to the Smart Cultivation System!”

“You have chosen to cultivate the Bone Forging Art. The system will start cultivating for you. The system has detected that the host is missing the Bone Tempering Pill. Please wait a moment…” “Ding Dong!”

“The system successfully stole ten Bone Tempering Pills for you, and the cultivation will continue…” “Important reminder, while the system is cultivating, you will lose lose control of the body…”

After getting the Smart Cultivation System, Pei Ling began to grow stronger rapidly. He was prepared to become a deity until one day… “Ding Dong!”

“You have chosen to cultivate an unknown technique. The system has identified this as a dual cultivation method. The system will start to cultivate for you. The system has detected that the host is missing a Dao Partner. The system is looking for a Dao Partner for you…” So, Pei Ling watched as he ran to the fairy’s training room next door, drugged her, and carried her into his room…

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

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?