I can tell you what I've pieced together, so far. It's not perfect, but it's the closest thing to an answer that I have.
Firstly, this place connects not just different places, but different times. The existence of Black Magician Mahad, Henry Tudor and Yugi Muto in the same place makes that clear. The question then, is 'when' are we?
When I left here for that time, I was in the regular afterlife I knew. But there was no connection to the spirits I knew there. It was a lonely existence. Despite that, it was not a fabricated place. Fabricated places give off a feeling to them. They're built and sustained by energy, and that cannot be easily hidden.
Most likely, this is a place that exists outside of time, but is connected to it at various points. When a person makes contact with those hidden 'doors', regardless of intention, they are simply pulled through - and the door closes behind them. The shift usually knocks the person out, causing them to wake up there. but in your case, you were unaffected by it. Most likely, it was the effect of the Puzzle that prevented you from simply passing out on the spot.
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Firstly, this place connects not just different places, but different times. The existence of Black Magician Mahad, Henry Tudor and Yugi Muto in the same place makes that clear. The question then, is 'when' are we?
When I left here for that time, I was in the regular afterlife I knew. But there was no connection to the spirits I knew there. It was a lonely existence. Despite that, it was not a fabricated place. Fabricated places give off a feeling to them. They're built and sustained by energy, and that cannot be easily hidden.
Most likely, this is a place that exists outside of time, but is connected to it at various points. When a person makes contact with those hidden 'doors', regardless of intention, they are simply pulled through - and the door closes behind them. The shift usually knocks the person out, causing them to wake up there. but in your case, you were unaffected by it. Most likely, it was the effect of the Puzzle that prevented you from simply passing out on the spot.