The core of hell was not exactly how one expected it to be. The humans who had entered hell first had roamed and walked around aimlessly for months, before finally finding themselves in front of an unnatural, and isolated boulder. This stone emanated a faint and indistinguishable power which, once it drifted too far away from its source, would dissipate in hell's atmosphere, never to be felt again.
Since these tired, defeated, and desperate human pioneers lacked any form of information about the place they had ended up in, the study of this stone had quickly become their new purpose.. Which lead them to be obsessed with it.
