So everyone was given items that looked like a metal hat and they put that on their head. Then they laid down on a comfy bed and poured their mana in that item to activate it. As soon as they did that they felt like their consciousness was about to leave their physical body.
It was actually possible for them to stop that from happening as the power that was working on them was not hard to resist. Actually even a normal powerless person would also be able to stop the transfer from happening if they wanted. That was also the reason why this machine was still mostly used as a game and not as an almighty device.
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