My Girlfriend is an S-Class Adventurer - Chapter 177 Legendary Skill

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

Lu Xiaoran has traveled to a fantasy world and received a system, but the useless system has not been activated for a long time. Lu Xiaoran, who had no choice, could only cultivate in a low-key manner and grow steadily. However, after Lu Xiaoran had become the strongest existence in the entire sect, the dog system suddenly activated.

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

A playboy who slept with woman and cucked many husbands was reincarnated in the Cultivation world with a Dual Cultivation System, that gives him points to screw women which he uses to become strongWhat kind of chaos will he cause in the Cultivation world!!!???