Multiverse: Deathstroke - Chapter 5: Harley Quinn

After getting killed on the hands of the mighty nine-tailed fox monster, William found himself twenty years back in time.

At this time, he was a worthless kid, without spirit and weak spirit power. He worked as a porter in a famous academy, serving other disciples for living.

But the one who returned back in time knew this wasn't the end of the world. William had ways unknown to many. So he'll train and get stronger, turning himself into the strongest spirit master in the world.

Starting from such low point, he started his long journey towards being a real powerhouse. Despite using all his past life knowledge, he would be still faced with many challenges in the academy and in the world.

Yet William will conquer them all. His main goal will be to not just be something in this world, but to grow beyond the limits he reached before in his past life.

He wanted to get better prepared for the hideous and deadly enemy that killed him; the nine-tailed fox monster.

In such world and time, he got many years to train and scheme for his revenge. He would never allow the past failure to be repeated once again.

Join William's journey towards pinnacle and see how he crushes everyone else.

One day, Jiao Bai went home and passed by the small bookstore, walked in. The boss recommended a batch of new goods to him with a fatherly face, all of which were rotten. He went home happily, but was hit by a car at the intersection in front of his house, and as soon as he opened his eyes, he was in a BE scumbag.

Hehehe. Jiao Bai folded his hands on his stomach, lying on the big white bed with a peaceful face, he dressed as one of the candidates… of the little stepmother of that scumbag. Oh, by the way, the protagonist in the manhua, the cheap Shou, is the white moonlight of the character he passed through. Now, washing up in the bathroom is an old friend of the protagonist gong’s dad, and next door is the slag gong’s dad and his old friend’s ‘Little Pepper’.

- Description from Novelupdates

A broken man who ended his own life finds himself reincarnated into the game he used to play. However, instead of becoming the protagonist or a powerful antagonist, fate places him in the role of a minor villain—a mere stepping stone for the protagonist in the game's first arc.

The Age of Celestials has arrived.

In the world where Vincent was sent into, the existence of Celestial Beings greatly stimulated the advancement of humanity. With their help, the humans started breaking out of their shackles as they exceeded the limitations of their mortal bodies.

They have passed down mana cultivation techniques and various combat arts increasing their strength as they fought against the true enemies of the world…

However, as Vincent was sent by his grandfather to complete a very unusual mission, he learned that these majestic Celestial Beings weren’t gods or existences out of his reach… They were actually tools or weapons that humans have been using for their own greed. More than that, he discovered the true origin of the Celestials!

Hence, with the help of his System, he mounted a rebellion…