Abandoned by my Childhood Friend, I Became a War Hero - Chapter 31: - The Empire's Future (2)

Collection of short stories.

- 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

Reincarnated into a poor youth in an unnamed mountain village in another world, Lu Qing expressed deep helplessness. Fortunately, he awakened an ability to see through the information of objects, giving him a bit of capital for survival. He looked at a patch of grass by the roadside.【Cow Bone Grass, average quality, medicinal, quite effective in treating bone injuries.】He looked at a red carp in the river.【Red Moon Carp, excellent quality, delicious meat, a top-grade tonic.】He glanced at a wild rabbit in the mountains.【Gray Rabbit, common wild rabbit, edible.】…Relying on his innate ability, Lu Qing gradually found his footing in the village, able to survive. Just when he thought he would spend his life peacefully in this ancient world with low productivity, one day, he suddenly saw a figure flying across the sky…

Our protagonist was a Mexican who died on a flight, when he woke up he found Apollo who reincarnated him as the grandson of Gaius Octavian Turino (Augustus) the first Roman emperor, having a mission in hand to conquer the New World to save the Roman polytheist world and his existence.