Batman looked at the knife Constantine handed him. Having just heard Constantine's account, he asked, "How tall was the young Schiller you saw?"
Constantine thought for a moment and said, "He looked to be under six feet."
"In other words, the memory you experienced should have happened earlier than the one we're currently in."
"You said you encountered a man and a woman in that memory. They mentioned Patient Number One, experiments, and test subjects. That means Schiller may once have been the test subject of some mysterious organization. And at around fifteen years old, he used a bladed weapon to kill more than ten fully armed security guards."
Constantine sighed. "I'm certain he had that ability. His strength was astonishing. To put it specifically, if the two of you were the same age, he might have been two or three times stronger than you."
Batman's pupils contracted sharply. "How is that possible? No human could possess that kind of strength. I mean, an ordinary human..."
"Do you think he was an ordinary human?" Constantine asked in return. But Batman said, "You paralyzed him with electricity, yet he didn't turn into a cloud of mist. Perhaps he didn't have that ability at the time. Otherwise, you couldn't possibly have driven away from there. He could have caught up with you easily."
"And the knife you obtained doesn't possess any special power either. Given how thin he was and how little muscle mass he had, it would have been nearly impossible for him to unleash such immense strength."
At that point, Batman froze. Seeing his expression, Constantine asked, "Did you think of something?"
"If someone who had barely trained, was extremely thin, and still young could unleash strength far beyond that of an ordinary person, there was only one possibility—he removed