'If something is to be maintained consistently, then a large amount of energy is needed for sustenance. From the sizes of those soul wisps, it is possible to assume that torment alone was not the culprit.'
[The brutality is off the charts, but I must applaud the person who made it a reality. It is very hard to kill some of the animals in the collection, like the Octorilla and Twig Walker. Many more like these are exclusive for a single place on Utopia and it is entirely up to luck whether you might meet one or not. And this person just mocked fate in its face and killed, and collected those beast's souls before it is dissipated. A round of applause, boy!]
Lee was staring at the opposite wall with a poker-face expression. Though he was expressing outwardly, D understood the intent behind it and went silent. Lee took a second to confirm this pause of apology and spoke-
'Do you have any clue about how it was maintained?'