Quite frankly, having her spirit out of its think pan wasn't exactly what you'd refer to as an ideal situation. Generally, the dead stay dead and don't interact with the living, outside of dream bubbles apparently that is. However, she still lingered and her presence was required for the operating faculties of this game to have played out properly, so we had to do something rather than have her float around.
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Besides, she was unbelievably morose while dead.