Explanation
Every team member is eager for what is Sam about to say.
This pocket dimension is full of mysteries. The presence of skeleton, the multiplication, the increase in their power level. Everything is happening right in front of their eyes, but they don't how it is happening.
They also don't have a clue about what the is key to getting out of here.
So, they are more than willing to spare some time and learn it.
"First and foremost, the whole pocket dimension is divided in several parts. You can consider them as zones and each zone is guarded by an undead creature. When people are sent in here, they will be spawned at random locations.
Irrespective of their arrival, the zones will create these undead creatures and send them out. They absorb the death energy of the surroundings and increase their strength.
With special means, you can distinguish how much energy a creature has gathered and how dense its energy is.