Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10 Nen ga Tattara Densetsu ni Natteita - Chapter 238 - The Large Room

He has been abandoned by his clan.

He has been considered waste from his childhood but he is a “Peerless Genius”.

His father with the help of another person has sealed his Dantian to stop him exposing his exceptional talent but after his rebirth, he becomes the most dazzling star of the continent. However he faces crisis and difficulties as his Dao goes against the Heaven’s will.

Overcoming everything, eventually he achieves the highest boundary “The God of War”.

- Description from Novelupdates

Kamishiro Homura is a hero who once by himself exterminated the another world invader that destroyed the military all over the world. However his extreme strength made the influential people ostracized and exiled him from the society with false accusation of [Traitor] attached to him. A few years after that, for an unspecified reason Homura entered the magician academy and he looked after the girls that were ridiculed as the [burden platoon]…!? This is the raise of the curtain of a fantasy tale of the unrivaled and invincible young man where not a single ally or enemy can keep up with him, the young man who sooner or later will be extolled as the messiah by the whole human race!

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

“Ding! Found a key plot character: Izumi Sagiri, please be sure to seed this character within a month.”

“Ding! Detected a young female dragon Kangna of a powerful species, and asked the host to sow the species within one day!”

“Three years is the highest death penalty.” Ye Feng looked hesitant as he looked at the young girl dragon who flung himself into his arms and acted like a spoiled child.

ps: Comprehensive manga: 100,000 cold jokes → Mr. Erromanga → Gensokyo → Kobayashi’s Dragon Maid → Dark Bullet → Gensokyo, the world is to be determined → _ → (Feilu solemnly reminds: This story is purely It is fictitious, if there is any similarity, it is purely coincidental, please do not imitate it.)…

- Description from novelbuddy