Marvel: I'm a Symbiote - Symbiote 0269: Qi Training

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

Possessing the power of the demonic path, he follows a cultivation method that absorbs the essence of heaven and earth and seizes the spirit of all beings.Yet this power invites endless enmity, shunned by the heavenly way and despised by righteous sects. His sect is destroyed, and he barely escapes with his life.By chance, he acquires a mysterious blood mirror that opens a portal to an apocalyptic world overrun by zombies.On this world, he can freely sacrifice zombies without facing divine retribution; instead, he gains boundless merit and luck!Freed from the restraints of the heavenly way, his lifespan and cultivation soar to unimaginable heights, rivaling even the heavens.True demonic cultivation is not just the pinnacle of power—it is the path to defy fate and reshape destiny!

The dark BOSS, who had the privilege of being the last living person on the planet, and the second-oldest brother on the planet was born again.

What should he do after he was born again? Was it to rule or destroy the world?

BOSS said that he was not interested in these, he just wanted to die. In order to let the boss who was bent on ending his own life live, he was omnipotent, and he will be comfortable with the boss, and then helplessly find out…

BOSS was more and more wrong with the style of painting!

- Description from Novelupdates

Jiang Yun died in his original world, and his spirit traveled to a cultivation world as the Holy Son of the Sacred Land of Mist. However, his new body was severely injured from being attacked by demonic cultivators and having his Sacred Bones stolen.As he was in despair, a voice from a System, known as the Villain System, sounded. Initially, he was shocked because of his experiences, which seemed like the destiny of a protagonist. However, when he discovered that his junior disciple was the true Son of Destiny and had stolen his Sacred Bones, hiding them, and was a spy for the Demonic Sect, Jiang Yun realized he was being framed. The junior disciple created false accusations against him, causing other disciples to dislike and reject him, including senior and junior disciples who shared the same master.Without hesitation, Jiang Yun decided to become the Villain. He planned for survival, gathered resources, amassed forces, and acquired subordinates. Eventually, his master decided to remove him from his position as Holy Son. He then chose to leave the Sacred Land. When he encountered an Emperor Spirit, he learned that the world was about to undergo a dramatic change in the near future. Thus, he established a Sacred Land for those who were despised and abandoned by heaven, or for those who shared his ideals.