Powerful MC's

[You have entered the dungeon at Gwachun Station's 1st Exit.] Wait—? What is this?? A necromancer returns to Earth after 20 years and enters...the subway station? No, it's a dungeon. Bow down to the splendor of my one man army as I begin to seize it.

I know what it FEELS like when you first read it, but I promise the women aren't annoying!! Plus, MC isn't a pushover.

Haejoon Goh, who ran from home, and Eunyung Baek, the problem child who lives in a tent. These two, who met under terrible circumstances, are forced to live together in an abandoned dormitory. This is a story of difficult growth between two people who hate both the dorm and each other.

OMG OMG OMG THIS ONE IS SO GOOD!!! It isn't really like the other manhwas here, but the MC knows how to throw a punch (lol??). Pls just read it. It's become my new favorite.

The pacing is a little slow, but the action scenes are SO good.
You've kind of got to have some patience for this manhwa, but it's cool to see the main character become super powerful, so I think it cancels out.

MC has an F-rank soul and is the lowest ranked in the school, but he secretly also has an S-rank soul that revolves around murder.

Yoichi Isagi lost the opportunity to go to the national high school championships because he passed to his teammate who missed instead of shooting himself. Isagi is one of 300 U-18 strikers chosen by Jinpachi Ego, a man who was hired by the Japan Football Association after the 2018 FIFA World Cup, to guide Japan to winning the World Cup by destroying Japanese football. Ego's plan is to isolate the 300 strikers into a prison-like institution called "Blue Lock", in order to create the world's bigg

This is a world of magic where magic is used for everything. But deep in the forest exists a young man who spends his time training and bulking up. He can't use magic, but he enjoys a peaceful life with his father. But one day, his life is put in danger! Will his muscular body protect him from the magic users who are out to get him? Powerfully trained muscles crush magic as this abnormal magical fantasy begins!

Humans were suddenly summoned to become “Walkers”, and they needed to clear the tower to save the world.
Then, the “Regression Stone” was discovered. Walkers could now “return” to the past. And slowly… everyone left.
Humanity’s last hope, “Carpe Diem”, was formed by people who refused to abandon the world.
But once the last Walker reached floor 100, he no longer knew what to believe.
This is the tale of the only man who didn’t regress, despite everyone else going back to the past.

Kim Soo-Ho, a civil engineer, became a noble from a novel. But what's this? My estate will be destroyed soon? Then I'll have to design, build and sell.

MC used to be the victim of bullies and grows up to become the one who bullies the bullies.

Jin Runcandel was the youngest son of the greatest clan of swordmasters in the continent, and the least talented kid in the history of the clan.
After being pathetically kicked out and meeting a worthless end, he was given another chance.
But he ended up dying after getting caught up in an accident.
When he thought everything was over and was about to give up...
He woke up as a baby?!

This one is REALLY good