Kujibiki Tokushou: Musou Hāremu ken - Chapter 244

When he woke up, Zhou Sui became a low-level Qi refiner in the world of immortality. Fortunately, he obtained the most precious Gu god bowl, which can refine various Gu insects.

Refining the Spring and Autumn Gu can prolong life and make you immortal.

The refining golden cicada Gu can give birth to dead people, flesh and white bones.

Refining the Dragon Elephant Gu to gain the power of the Dragon Elephant, the body of the Dragon Elephant, and the indestructibility of the King Kong

But the Gu he refined for the first time was the Infatuation Gu.

From then on, he discovered a bright road to cultivation.

The years change, the mountains and rivers change, but I am the eternal Zhou family.

- Description from novelbuddy

(This story take place in different timeline and universe)This is the story about boy named Karan getting recarnatated in the time of Mahabhrata as a Karna. Biggest war at that time.What will happen if he become karna in it?What will happened if as a boon he ask System?What will happen if he get to meet those characters? Is he able to chnage their destiny or it will turn worse?Let's find out what will happen when he born into age of God's. Do he able to achieve what he wanted to or something else's.What if this world is as not as simple as he thought, Let's find out.

On his coming-of-age day, Argolaith’s mistake bound him to a mystical magic unseen in the world. As his powers grow, they threaten to reshape the realm—but can he master them before they bring ruin?

Having lived a normal life all his life and died without being able to fulfill his desire and when he’s given a task by a god, watch how he takes the protagonists girls while making it hard for the hero.