The Ascendants chose to evolve biologically, a path that effortlessly alters the level of civilization and continuously advances, serving as a shortcut.
But taking shortcuts comes with its own price.
The simplest way to deal with biological entities is through toxic countermeasures, using biological means to eradicate biological threats.
...
Rabies is the most terrifying virus encountered by Ren Zhong's 21st-century humanity in the entirety of civilized history.
This virus is regarded as humanity's nemesis.
Even though humans possess an immune system as sophisticated as precision instruments, they are still severely constrained by a virus the size of a mite, cleverly adapting to each countermeasure.
It is so fearsome that it causes humans to tremble at its mention.
From certain biological classification perspectives, it doesn't even qualify as a living organism.
