Or maybe it's a test. There are plenty of stories about having to prove worthy of the afterlife. Maybe we'll all be weighing our hearts against feathers at the end of all of this. [Though Nagito knows it's very unlikely Celehar's world happens to conveniently contain Egyptian myths, he thinks if nothing else it's a fitting metaphor for this conversation.] You said there are limits, but you didn't tell me what they are.