Some larger species occupy larger bubbles.
While some smaller species occupy smaller bubbles.
It's clearly designed to avoid wasting any space.
Moreover, the material of these "bubbles" is incredibly advanced.
This is a structure far more powerful than liquid metal materials, extremely defensive, even if it holds a large chunk of antimatter bombs inside, it's impossible to break open from this prison. More importantly, it has an extremely enhanced restriction ability on Primordial Energy and can even directly serve as a component of Primordial Energy Battery, extracting the Primordial Energy from these alien prisoners to supply the entire base when necessary.
If there were more prisoners here, relying only on Iwen, it might not necessarily be effective in one shot, it might need one or two more targeted attacks.
After all, this B-level Primordial Energy Weapon is originally prepared for true masters.
