Sky-cracking Rider - Chapter 676: Section 671 - Anatomy

Some say reincarnation is a blessing, but for me, it's a dreadful curse. Cursed with endless reincarnation, I've been reborn as a villain 137 times. And all 137 times, I've been toyed with and killed by heroes who are far more cruel than the said villains... If I can't win no matter what I do, then I'll crush those so-called heroes at their very roots. - Quality Fan Translations, Made by Fans for the Fans - Villain Takes Over The Academy

Athen had always lived a solitary life, as without any family or friends, he struggled to survive in his poor, forgotten hometown. The only escape from this grim reality came in the form of tales of magic told by rare visitors from the distant capital.That was, until one day, Athen discovered that magic wasn't just a dream. It was within him.With his newfound power, Athen completed a desperate heist, stealing a priceless diamond. But his triumph was short-lived when he realized the diamond was a fake.Yet... what seemed like a cruel trick turned out to be a blessing in disguise, for the fake diamond held the key to unlocking Athen’s greatest desire: the chance to truly learn magic.

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

The Great Thousand World. It is a place where numerous planes intersect, a place where many clans live and a place where a group of lords assemble. The Heavenly Sovereigns appear one by one from the Lower Planes and they will all display a legend that others would desire as they pursue the road of being a ruler in this boundless world.

In the Endless Fire Territory that the Flame Emperor controls, thousands of fire blazes through the heavens.

Inside the Martial Realm, the power of the Martial Ancestor frightens the heaven and the earth.

At the West Heaven Temple, the might of the Emperor of a Hundred Battles is absolute.

In the Northern Desolate Hill, a place filled with thousands of graves, the Immortal Owner rules the world.

A boy from the Northern Spiritual Realm comes out, riding on a Nine Netherworld Bird, as he charges into the brilliant and diverse world. Just who can rule over their destiny of their path on becoming a Great Ruler? In the Great Thousand World, many strive to become a Great Ruler.