Peerless God of Cultivation - Chapter 236

In novels with a stud there is always a Senior Martial Brother like this:

In the early stages of the novel, his innate talent is high, his cultivation is good, his appearance is handsome, and he has an intelligent, cute younger Martial Sister as a fiancée.

In the middle stages of the novel, he is caught unprepared and defeated by a young disciple (the protagonist) in the sect who’s hardly remarkable at all. From then on, he falls from his godly altar and loses his brilliance. Even his young Martial Sister leaves him for someone else.

In the late stages of the novel, he continues to turn dark, going down the Demonic Path and becoming the major villainous boss. However, the protagonist still ruthlessly defeats him and his soul is eternally sealed.

Once Qin Mo opened his eyes, he discovered that he had become this Senior Martial Brother.

- Description from Novelupdates

Jacob Steve, an Old Man, died at 116 after living a whole life.

But Jacob always had a dark side, which he always suppressed and hid from others.
However, in the later years of his life, when death was inevitable, he understood there wasn't any point in having wealth, knowledge, or desires if you couldn't have a life to enjoy them.

He became obsessed with fabled immortality and devoted his reaming life to extending his fleeting lifespan, but just like any other failed.

However, he mysteriously got another chance at life and found a way that led to fabled immortality.
But he was also forewarned that the way led to it was filled with blood and darkness!

In the end, Jacob chose it anyway with no way of going back, and it was also the start of his suffering and his icky, brutal journey toward the 'Immortality' he wanted so badly!

drop out of school

When I got home, I reopened the blacksmith shop.

From then on, this blacksmith shop was no longer ordinary.

The best knives in the world are born here.

The thrust-to-weight ratio of the handmade micro-turbojet directly exploded.

The micro-drones flourished in his hands.

- Description from novelbuddy

Waking up as a baby in the Naruto world, reborn in the same generation as Naruto and Sasuke—Izayoi knew this was a hell-level start.But at the age of one, everything changed. He awakened the Talent Entry System.As long as he defeats an opponent, there's a chance to absorb one of their unique talents and add it to his own arsenal.His Newbie Gift Pack?A one-time talent copy ticket.His first thought was to use it on Naruto and copy his Sage Body.But then—he had a better idea.Why not use it on Ōtsutsuki Toneri, the moon dweller who once descended to Earth just to glimpse Hinata from afar?In a world ruled by bloodlines, where power flows through heritage and strength decides everything, no cheat is more broken than the pure Ōtsutsuki bloodline.~~~