After the nuclear war, the earth was devastated.
Human civilization has fallen into endless darkness.
The earth's surface is no longer suitable for human survival, and where should the fate of human beings go? But the danger is far more than that. The invasion of nuclear radiation and biological mutations have made human beings extremely vulnerable...
The fortresses built by the fearless human pioneers have become the last refuge of mankind...
Later generations called this era the fortress era.
And human beings in this era are extremely small...
In this era, human life is as cheap as grass...
The stars are shining brightly in this era...
This is an era where heroes are competing for hegemony...
And in this absurd world, a purple thunder is constantly wailing... Struggling... Venting...
"I won't lose again this time!!" A young man on the ruins roared towards the sky...
