Using degraded humans for experiments sounds unethical and shocking, but as Dr. Deng deliberately avoids mentioning, in the background of the game world, medical experiments can indeed provide some conditions that break through the baseline.
It's not that Xu Huo really believes that normal humans and degraded humans can reproduce successfully, but rather that he saw a glimmer of other hope from the potion given by Dr. Deng—assuming Stellar Medical or Dr. Deng's friends developed a potion to cure Black Thorn disease, does that mean it could lift fertility restrictions for people in Zone 010?
The CK12 Safe Zone has disappeared. Although the area outlined by the old man is a bit different from what Fan Yunhong provided, it's not too far off. Some areas overlap with their previous route, but to avoid missing anything, Xu Huo still turned back to search for CK12 and some nearby safe zones.
