Batman did not know what Schiller's old profession had been, but he knew it could not have been anything good.
Batman had gradually noticed Schiller's abnormality. Schiller was no longer as weak as he had been at first. On the contrary, he was becoming somewhat excited. Judging by the state of his soul, it was growing increasingly active.
That was not a good sign. Batman knew that whether Schiller was weak or excited, neither meant that he was healthy and normal. When he was mentally weakened, he became more deranged, and when he was mentally excited, he might do even more deranged things.
Besides completing the task of linking up the Shadow Monsters, Batman knew he had to keep an eye on Schiller to prevent him from undergoing some terrifying change and causing another huge disaster after leaving Hell and returning to the human world.
After the meeting ended, Batman returned to the dormitory where he lived. Hexagon was still awake, so the two of them began talking again.
Hexagon was rather rambling, and his speech was somewhat disjointed. To Batman, he sounded more like a child whose intelligence had not fully developed, making him particularly easy to draw information from.
During their later conversation, Batman learned that Hexagon really could be considered a newborn. It had been less than a hundred years since he had gained sentience. Compared with the lifespans of Hell's races, he was still an infant.
But perhaps his earlier act of revenge had stimulated him, keeping his mind in a highly excited state. He revealed many secrets of the mines to Batman.
No one understood these mines better than the Shadow Vines that had lived here for thousands upon thousands of years. Hexagon told Batman that the entire continental shelf of the Barren Continent rested