Shadow's Oath - Chapter 100

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

Arthur was a weak and cowardly boy who lacked the power to protect anyone—a truth brutally demonstrated when his parents were massacred while defending him during a Gate outbreak. As the sole survivor, Arthur spent weeks believing his life was over. When intense chest pains began, he assumed he'd been infected with corruption by the void creature that killed his parents and was merely waiting for death.What Arthur didn't expect was that these sensations actually signaled his Realm Core forming. In two months' time, he would be forcefully transported to the next realm and awaken new powers, becoming one of the world-renowned “Chosen” who protect humanity from Gate outbreaks. Now Arthur must rise through the heights of power, climbing each of the seven realms in hopes of saving his world... or does he?

[Quan You Fan: You can read without barriers even if you haven’t read the original book or TV series]

after many years,

When the legendary lord, the dragon knight, the son of the holy flame, the nightmare of the schemer, the smasher of the order of the game, the undefeated myth on the battlefield, the ruler of the seven kingdoms and the guardian of the whole territory——

When Samwell Caesar sat on the Iron Throne,

He must have thought of that distant afternoon when he got the pioneering order from the Rose of Highgarden.

At that time, no one could have imagined that this young man abandoned by his father would set off an iron-blooded storm that would sweep across the entire continent of Westeros.