Imagine that you are alone in a sea of darkness, a turbulent sea with man-eating monsters. You would be attacked if you stayed here you were, but should you continue forward, the toxic seawater and pressure would incessantly crush your body and spirit.
There was no telling the direction, objective, whether you should move or pause. All was such blankness that prevents one from mustering the courage to keep exploring the borderless darkness, or to stop and hover in panic.
That was what Joshua and Goliath were feeling at present.
As a native of the Abyss, Goliath the Demon King could faintly sense the core position of the Abyssal Paradise—in other words, the place all powerful demons could feel.