What If I Can't Die? - Chapter 700 Crossing Worlds (1)

In Ten Heavens Domain, full of respected powerhouses, juvenile Ling Tian accidentally obtained a mysterious iron sword. He refined the Supreme Martial Dao, studied the Divine Spirit Array Laws, fought Ten Thousand proud and arrogant Heavenly Clans, and was undefeated! Seven Feet Sword Tip sweeps away the world, within the Ten Heavens, I am the Supreme God Monarch!

- Description from Novelupdates

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

This story is centered around the man named Yi Ji-Hyuk, who has spent 1000 years in a Medieval Western fantasy-like world before returning back to the modern-day Earth. When he returns, he finds that his home is facing monster threats, and that humans with superpowers have appeared to protect the innocent people of Earth.

Li Xiaoyu was reborn back to the difficult fifties.

Vows to save the relatives who died of starvation in the previous life.

In order to fill his stomach and prevent his family from starving, Li Xiaoyu took the space to work hard to farm pharmaceuticals.

Growing grains in space, ripening four times a year, and refining medicines in a medicine cauldron, the efficacy of medicines is increased tenfold.

Grain and supplies are as happy as a little hamster.

Helping relatives smoothly, the villagers survived the disaster year.

I even rescued a young man, and since then I have been missed by the big tail wolf…

- Description from novelbuddy