Invincible - Chapter 14: Second Order Warrior!

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

Zeus, Hades, Poseidon, and many others—every human has the blood of gods running through their veins, it decides their fate. But Rhys, ever since he was born, showed absolutely no abilities. But at the age of 18, when his world had given up on him, the blood that remained dormant in his veins finally awakened……The Blood of Eros, the God of Love, Desire…and Coitus.

In a world where Heroes are the last line of defence against threats, 17 year-old Zane Skylark, was the most powerful of them all—a symbol of strength and justice. Known as the “Rank-1 Hero, [Hope].”[Hope's] every move was praised by the masses, and his victories were legendary.But during a mission, [Hope] is believed to have died, but only to survive due to an unknown skill—[Immortality].For 60 long days, Zane's lifeless body remains inactive, as the [Hero Association] declares him dead and appoints a new hero who can mimic Zane’s strength under his hero name [Hope].After resurrected.“What's... Happening?”“Didn't I... Die?..”“Immortality?”Zane finds himself in a confused situation.“After everything I did for them...”After finding [Hero Association] betrayal, he decided to distance himself from them.“It's been... almost 3 years. ”“Maybe I should return home.”He decided to return to his hometown, hoping to bury his past and lead a peaceful existence.But... can a hero truly abandon their destiny? Or will new challenges will force Zane to confront his past self and the responsibilities he has left behind?

I am the sword.

Killing a man amidst a thousand miles, no one dares take ten steps.
Killing a man amidst a thousand miles, no one can take ten steps.
Killing a man amidst a thousand miles, ten steps? Not possible!

I am the sword, the sword is me,
On the path towards heaven, each shall wield their own.

- Description from Novelupdates