There is only a mountain between the polar glaciers and the boiling desert. What was once a city has turned into a purgatory of steel and flesh.
He is no longer a human being at the top of the food chain, and he no longer suppresses his nature.
Those monsters born from the chemical clouds, with their skin covered in crystal scales and acid dripping from their mouthparts, gnawed away every inch of civilization into their nests.
Martial arts experts have become mankind's last defensive barrier.
"I am a powerful person in the reincarnation realm, but you can defeat me wearing a broken mecha?"
"Ah... What kind of weapon is this? How is it possible..."
"What kind of dog system? I'm fighting, and you want me to improve my opponent's strength?"