Bloodline of the Wizard - Chapter 47 - Checking for Omissions and Filling Gaps

Leon and his father, Artorias, are the last remaining scions of a once powerful and illustrious family of lightning mages. After barely surviving an attack that destroyed their home fifteen years ago, they now live in the dangerous Northern Vales, a desolate wilderness far away from civilization. But those who want them dead are strong, patient, and relentless, and it is only a matter of time before they find the two they seek...

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

Seun Adebayo’s ordinary life shatters when he’s chosen as one of 100 humans to ascend the Tower of Transcendents, a mystical structure holding the fate of the cosmos. Each of its 100 perilous floors tests his strength, intellect, and spirit, forcing him to confront his fears and ambitions.When Seun awakens the power to manipulate cosmic energy, he begins to realize his destiny: not just to stop the rise of the Primordial Evil but to ascend beyond mortal limits. As the trials push him to rediscover a different part of him.Seun’s climb will shape him into something greater—the god of the cosmos.

After 50 years of being in the position of Hwacheon Clan Leader, Kang-hyuk, widely renowned as 'The Dragon' retires.