Overpowered and Really Cool MCs

Time travel (from future to past) ~

One day, the world transformed into a game.
'Dungeons' and 'monsters' emerged in the middle of cities, and 'players' who had received the gods' authority appeared.
Se-jun Lee, the guildmaster of the Messiah Guild that would bring salvation to the world.
"Let us save the world together. Let's put an end to this nightmare."
The whole world celebrated the hero's appearance,
And I became his comrade.
But...

Dark shit lmao ~

Mc’s parents died in a fire and Mc became blind, but as soon as he became blind, he was able to see a “thing” that he named Kkamjjang. But everything is deeper than it seems.
Art isn’t the best but it makes shit creepier lmao

Reincarnation~

Mc is an old but powerful wizard who is wrongfully convicted and killed. He wakes up as a different dude with the same name.

Time travel ~ Apocalypse ~

Mc is transported 6 months before the zombie apocalypse and of course, with the knowledge of the future, he is more prepared.

Time travel (from future to past)

Mc is killed trying to convict a corrupt man and he gets a second chance, but this time he has to take everything slow.