You are just mad. You cannot survive inside Earth. As for 'lakes of fire', where would the steady source of oxygen come from? LOL.
Does hell have in/out ventilation to the surface?
Yes the earth convulses or "vents" and volcanoes erupt and the earthquakes happen in many places.Don't assume it would be oxygen that causes the earth to convulse either. The Earth gets hotter as one travels towards the core, known as the geothermal gradient.The composition of Earth's core remains a mystery but yes as a lake is flat on the surface to your eyes on earth such will be the lake of fire within it.
The temperature alone would increase by 25 degrees Celsius per kilometer of depth.
https://energyeducation.ca/encyclopedia/Geothermal_gradient
Irrelevant-Refer to point regarding your soul below
The soul is not made of flesh. It is the individual spirit that is placed within your flesh vessel . It's what makes you "YOU" and not the person standing next to you.
I can see by your tone that no answer will be enough but lead to another question so I will leave it to the very God you question to answer you in full one day in a way better than my limited ability can but maybe Hebrews Chapter 10 will help your understanding of God's mercy.......all the way to verse 31 please.
Fire needs oxygen. It is really an oxidation reaction. For the 'lakes of fire' to have a fire, you (God/Satan or whoever is managing the place) would need to supply oxygen and remove CO2. This idea is as idiotic as the rest of the Bible. Please stop and read a chemistry textbook.
What is the soul made of? (ROFL)
Hint: We know the exact composition of the human body.