MTL - Immortals Are Evergreen, My Proficiency Becomes Immortal - Chapter 122 Improve Dandan (10k for subscription)

When people awaken, their class gets ranked.F means nothing.SS means everything.Nobody talks about SSS ranks, because they aren’t real. Well, they weren’t real until he became one.Lucen Ivara was fine with staying average. Keep his head down, take low-tier jobs, eat something hot once in a while. That was the plan.Then his system came online.It didn’t follow the rules.There were no guides. It seemed limitless. There weren’t any safety rails he could cling into.Just a blank interface and a quiet message floating in front of him.[You are the first.]Now Lucen is crafting spells no one’s seen before, hiding a class that could get him killed, and trying to scrape by in a city where dungeon breaks, guild politics, and hidden power plays are part of daily life.He’s not looking to be a hero.But with power like this, staying invisible might be the hardest thing to do..

A calamity descended, consuming the world in chaos.With their final strength, humanity raised towering walls and built great cities to safeguard the last remnants of life.But now, the calamity stirs once more.This time, humanity will not just defend—they will rise and strike back!Witness the heroes.Follow their example.Become the hero!

Power and desire, money and strength, conscience and responsibility, the road ahead is at a loss, as a time traveler, Simon, where will he go, this is a leading mainstream novel with a relaxed daily life and a slow pace

- Description from novelbuddy

This is a world where a king is the most powerful.