C1230 Latent black rock

This kind of Arcane Art's most terrifying aspect, was its absolute concealing effect, able to completely hide a person's aura, as long as one did not reveal too much, it would not be discovered. Hei Yan relied on this move, which was why he was able to accomplish so many things, and was still able to freely move around in this land.

Firstly, because of his own strength