"...That's how it was." Lord-Trauma sighed. "He disappeared long ago. The one outside calling himself David isn't David himself either—he's just the largest piece of David."
"That sounds kind of horrifying." Barry shuddered. "David's energy was divided among all these personalities. Why does that sound so much like... dismemberment?"
"You've spent too long in Gotham," Harley said. Then she looked at Lord-Trauma again. "I completely understand what you mean. David, with all that enormous energy, split himself into many parts. But why didn't he become many versions of himself? Why did he become all of you instead?"
Barry clearly understood why Harley was confused, because they had encountered a living example before: Schiller.
Schiller's situation was very similar to David's, yet also the opposite. Schiller couldn't really be considered to have Dissociative Identity Disorder, because no matter how many there were, they were all still himself. But David had split into different people. They didn't think of themselves as David, nor did they cooperate with one another.
"Why was there such a difference?"
Hearing that question, Lord-Trauma sighed. "We have no way of knowing what he truly thought, but perhaps it was because he felt his own existence had no meaning."
Harley and Barry exchanged another glance. She looked at Lord-Trauma and said, "Something happened, didn't it?"
"A disaster." Lord-Trauma hesitated, but ultimately said, "It made him unbearably sad, so perhaps he just..."
The group soon left the house. Just as Harley was about to say they had too few clues about reality, they ran into Batman, who had finally arrived. Batwoman's side and Charles's side successfully joined up.
With Charles there, everyone finally learned what David had gone through in reality. Charles also offered Schiller's speculation—because of that terrorist attack, David's ego had first crossed the moral line and