The Righteous Player(s) - Chapter 519: You May Call Me Ghirlandaio

This novel is also known as Random Skills: Exploring Dungeons

Legend has it that this world has magical qualities

Attract fragments of the broken world to strengthen yourself

It could be a building, an area, or a piece of history

These cages called earth in this world are dungeons

Wealth, power, power, everything can be found in endless dungeons to explore.

Life, emotion, freedom, everything is the price to pay for exploring the dungeon.

Kane looked at the Book of Adventure that was in front of him.

Opened it and looked, this is not the game system.

He knew he was about to take off.

- Description from novelbuddy

Cheng Xi, a guileless psychiatrist with a heart of gold, who would do anything for her patients. Lu Chenzhou, a frigid businessman who refuses treatment for his emotional detachment.

A master assassin transmigrates into an interstellar era.

Other players were responsible for competing in the e-sports arena, while he was responsible for stringing up and beating up the other players.

His sword was hidden during the peak of day, and he was a gentleman who arrived in a flash of light;
As a vanguard of the eternal night, he was the variable between life and death in the world.

“As you know, the Star League’s difficulty levels are arranged in this way:
Paradise < Simple < Normal < Difficult < Nightmare < Hell < [Tyron Odin]”

- Description from Novelupdates

…but it seems pretty doable.