Chapter 683: Entering the Rules, Immortal Beings are Born

more you go back, the more energy consumed. At this moment, opening a single hidden treasure consumes energy that is even comparable to or even surpasses the energy consumed in opening hundreds or tho...rately restrains his aura, he would be unable to sense it.Although those powerful beings are indeed formidable, if one were to hide within a secluded cave and deliberately conceal their aura, what cou...