Meng Chao knew that some of the Other World races, especially the races living underground, seemed to be afflicted with genetic immunity disorders.
The ultraviolet rays in the sun could kill the white blood cells in their blood, making it worse for their already weak immunity systems.
These pitiful races who were afraid of the sun and were used to living in the dark were generally known as the dark races in the Other World.
Sunscreen was a tactical resource that the dark races could not live without because it could largely increase their fighting strength and the areas in which they could move around.
Monster Mountain Range was a heaven for plants, and it was the most suitable for raw ingredients like Snake Vines and other such top-class plants for sunscreen to grow.