Time
Leonel coughed up a mouthful of blood, his pupils constricting. He felt that he was on the verge of dying. His Dream Force was quickly dissipating, and though he wouldn't die a true death, he would lose without having even ascended the mountain, and that would be a different form of death. Even if he didn't die immediately, the Human Race would certainly be finished.
However, Leonel managed to maintain his tranquility.
His first thought was that he had accidentally triggered something he shouldn't have, maybe a failsafe of sorts. When you were using a treasure like this and using trial and error instead of raw comprehension, it was inevitable that you might accidentally stumble into such a thing.
However, after seeing that the shield wasn't actually trying to kill him, Leonel's eyes narrowed.
He paid close attention to what was really happening, and when he figured it out, his eyes widened.