Marvel: I'm a Symbiote - Symbiote 0265: Confrontation

Thirty thousand years ago, the Heaven Fighting Race who called themselves “Gods” invaded the Spirit Realm. Hundreds of races rose up in resistance, but ultimately suffered a crushing defeat. The Human Race was the first to concede, and the rest of the Hundred Races soon followed in succession.

Zero, a 35-year-old mercenary, after being betrayed by one of his teammates who told his enemy about him. He chooses suicide so that he can kill his enemy and his traitor teammate. After that, he was reincarnated into the world of magic, in the body of an 18-year-old teenager with the same name as him. However, his body does not have mana or the talent for magic. But with the help of the cultivation system, he has unrivaled power in the world and has a harem of beautiful wives.

An underprivileged prodigy, a cruel, ruthless world, and an epic story of battle and conquest. A young man with an exceptional inheritance leaves the small, rural city from which he hails on a journey to find the girl of his dreams. He defeats countless prodigies, sweeps through all forces that dare to stand in his way, and progresses step by step toward the pinnacle of all the worlds!
“I’m not targeting any gods in particular. All I’m trying to say is that all gods are trash in my eyes!”

- Description from Novelupdates

Leisurely on the fairy road, the sword points to longevity.

At first, Chu Yu thought that she had transmigrated into a typical ancient housefighting novel. And all she had to do was grow up and get married quickly, and then, it would be perfect if her husband died and no one cared about her. Who would have thought that when she walked out of the backyard, she found out, hoho, this is a xianxia with a genius female protagonist- her eldest sister. Her eldest sister, Chu Qiong, had the golden finger of an immortal mansion. Her second sister, Chu Fan, who was suspected of being transmigrated from the same world as her (Captain Chu?), had a golden finger as well.

And she, a cannon fodder, the little Chu Yu, having poor qualifications and a short lifespan, vowed that she will never give up and be ridiculed!

She will fight against fate! Live long!

Strive to live until the end of the world, and live longer than deities.

Fortunately, she got a book of exercises that can be automatically practiced.

Fortunately, she can sell goods across all dimensions and accumulate resources.

Fortunately, she has two lovely sisters who will never give up on her, and think that she is prodigal.

The road to self-cultivation is extremely cruel, and many amazing and talented people fall halfway, but the three sisters want to see the scenery at the peak of this immortal road.

- Description from Novelupdates