In the apocalypse, every survivor was a precious human resource.
During the several great calamities that had come one after another, huge numbers of people had died. According to previous estimates, as many as eighty percent—or even more—of humanity had perished.
The less than twenty percent of humanity who had survived until now still amounted to a considerable number. After all, Gaia Planet had a total population of twenty to thirty billion.
Even if only ten percent of the population remained, there would still be at least two or three billion human survivors.
Of course, as the apocalypse deepened, that number would surely continue to plummet.
Compared with the Sunny Era, the number of abnormal deaths each day during the apocalypse had increased exponentially.
Leaving aside the steady stream of deaths, take Yun City's current situation: through a secret technique, the Bizarre Tree was turning survivors into tree wraiths.
"Tree wraith" was simply what the people of Yun City called the transformed survivors. Put plainly, they had been turned into members of the Underground Race.
Their human memories and emotions were steadily weakened until they disappeared.
In their place were the instincts of the Underground Race.
Once they became members of the Underground Race, they were bound to fight for their kind, to seize the Surface World, and to exterminate humanity.
Seeing Jiang Yue deep in thought, Hao Yinan grew anxious and reminded him, "Director Jiang, I may not have much say in how we attack the stronghold, since I'm a defeated commander. But we have to be mentally prepared to deal with those tree wraiths. We need to be sure of one thing: they're no longer our kind. Even if they look human, even if they look like survivors, the blood in their veins and their instincts belong to