Hexagon's incredulous voice came from next door. "Aren't you humans terrified of demons? Why are you so strange?"
"Before, whenever I stuck my tentacles into my neighbors' rooms, they would scream their heads off. As long as I casually said something like, 'I'm going to swallow you,' or, 'I'm going to bite you,' they would drop to their knees and beg for mercy, begging this great demon to forgive them..."
"Not only are you not afraid of me, you even injured my foot, and now you want to treat it? Are you insane?!"
"I'm not insane." Batman said calmly, "Humans have a rule: repay kindness with kindness, and repay grievances with grievances. You gave me a great deal of information and told me about an escape route, so I'm willing to repay you by treating your injury..."
"No, you must be trying to trick me." Hexagon was extremely resistant. "You want me to stick my foot over there, then burn it with fire..."
Batman heard some movement from the other side. The demon seemed to have curled up in the corner.
But Batman was completely unmoved. He picked up the straw mat in his room and said, "If you don't stick your foot over here, I'll set this mat on fire and throw it in front of your cell door. Then the flames will burn into your room. Believe me, that will hurt far more than the Magma Demon's fireball did when it struck your foot..."
"You... you..." Hexagon seemed unable to find words to describe Batman. After stammering for a long while, he only managed, "You evil human..."
After a while, a trembling black tentacle reached into Batman's cell. Batman grabbed it and examined it. He found that the surface of the black tentacle was covered in a shadowy