Barefoot Immortal knowingly nodded and said, "No rooms also mean there's nowhere to hide when pursued by ghosts. It seems the Eternal Hell is extremely dangerous; we must make thorough preparations to explore it."
"Yes, and we also need to consider the issue of potential lack of oxygen in that place, so let's take several oxygen bottles to prevent suffocation."
"Forget the oxygen bottles; I have algae on my feet that can produce oxygen, enough for us to breathe."
"Barefoot, don't talk nonsense. The Eternal Hell doesn't have much light. How can you produce oxygen without photosynthesis?"
