Doomsday Blood Vine

In 2027, the "Blood Vine Virus" broke out around the world. Within 72 hours, the skin of infected people became keratinized and formed a red hard shell. Their hearing was degraded but their vision was strengthened 10 times, and they had a sense of group hunting. The only survivor gathering place, "Ark", was built on the Qinghai-Tibet Plateau and relied on ultraviolet curtain walls for defense.