Understanding The System Behind Shop

"All of them are dead?" Khan asked in shock as he looked at the golden notification dazedly. How can a person worthy enough of holding a sword that can slash the entire Earth into two die? How can a person wearing boots that can enable him to run through worlds in minutes and not escape death still?

"Just what can still kill those types of people?" Khan asked out loud as the notification panel appeared on his face.

[The Host's knowledge of the world is too low. Some creatures can devour multiple worlds with a single gulp. There are beings formed by the cosmos itself whose job is to destroy beings not related to that cosmos. Beings who at birth possess the power and full blessing of entire worlds. The universe is limitless and even one with this system would have to be extremely cautious...] The system explained lengthily as Khan's eyes furrowed in worry.