Amongst the city around Warland Thicket, Vermilion Kingdom had the highest status because the kingdom had the strongest force containing a handful of Tail Realm Exalts. Even so, they rarely dared to venture into the red zones, much less into the black zones.
If these hidden monsters were provoked, it might spell a calamity upon the kingdom, so we could imagine how much fright these names could give to cultivators in other cities. That's why the elders within each town or village would make sure to tell their descendants not to take an expedition into these zones.
As a matter of fact, both Feng Luotian and Sparrow Lord would very much like to avoid fighting here, but because they were engaging in a life-and-death battle, they might as well use this place as a tool to turn the table around.
If either of them fell down into the chasm, there was a high chance that he would never emerge from this abyss alive, resulting in another's victory.
