The Necromancer is amassing troops like crazy in the apocalypse - Chapter 616 - 508 How did you become the one

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

After 10,000 years, it was iced. The Douro’s federal expedition team discovered an egg with a gold and silver two-color pattern during the scientific study in the northern part of the country. After exploring it with an instrument, it found that there were vital signs inside, and he quickly brought it back to the institute for incubation. The egg hatched, but it was a baby, a baby identical to humans, and an egg-born child.

- Description from ptwxz

Returning to the Mysterious Era features a boy who can time-travel back to the past using old relics. The twist? He’s stuck in the body of the relic’s owner.After a near-death experience, Cassius unlocks his ability to travel to the past in the body of Li Wei, a member of the Wind Elephant Sect. Li Wei was a coward who lived a life of regrets up until the day the entire Wind Elephant Sect was mu*dered. As Cassius relives Li Wei’s past, he makes different decisions to show Li Wei a different kind of future.By living out the ups and downs of Li Wei’s life, Cassius is introduced to the world of Covert Martial Arts, ties that run closer than blood, and supernatural forces. Crossing the line between the ordinary and supernatural, he realizes there’s no way back. New friends and enemies slowly integrate into his reality.Now, he must uncover the secrets of Covert Martial Arts and get stronger to survive.

Kenji had become the Emperor’s right hand man which he always wanted to be. He thought that this position would help him to become one of the most popular and powerful figure in history, He did not know that the newly crowned Emperor considered him as a threat. Secrets were being prepared to deal with this ‘dangerous subject’ who had become too influential to be ignored.“Oh, Dearest brother, I have to congratulate you on your well-deserved hire! How great must it feel to receive a court audience and the special joy of having a sword under your head before the imperial family!” The emperor said warmly.'Oh dearest sister... Your congrats are out of place... you just made the situation worse...'