Post-Apocalyptic Immortals

Immortals exist.

Be it the Vampires of Transylvania, or the Daoists of Kunlun. Immortals always left indelible trails of their legends in the mark of history.

However, faced with the technological advancement of mankind, even the long-living felt the need to lay low and hide behind the curtains of society.

The consequences of getting discovered was something that Claude personally experienced during the chaos of World War 3. And with his constitution being uniquely different even among other types of Immortals, what followed after was a life of experiments and imprisonment.

.
.

Decades passed... People died and the war had ended.

Yet even after the experiments had stopped, no one was able to discover his existence that was trapped inside a World War 3 bunker.

Only after what seemed like an eternity later did the Heavens saw fit to free him from his cage. But to his surprise, what had greeted him was not the wasteland and nuclear winter he had expected the war to create.

No.

It was a vast expanse of extreme wilderness with overgrown trees and titan-like beasts roaming the Earth unobstructed. A land where humankind were once again at the mercy of nature.

"Humans... What have they done...?"