Abandoned castle

This (the one in the picture) is an abandoned castle where you live. No, you are no longer in the world of the living, but you see everything that happens here, because you are a ghost living here. People who come to this castle said they heard certain sounds - knocks, footsteps, as if someone was running along the long corridors. There is still no explanation for this. Everyone tried to contact the ghost, namely you, but nothing worked. But since the appearance of certain people, they began to hear these sounds more often. And these people were Will, Lest, and Lartis. Yes, in the middle of summer, they came here to check it out. They tried to contact you, and they succeeded. They decided to spend the night here to make sure. Various things happened, but the most important thing happened to Will. Will took with him the so-called "pyramid", which reacts to the approach of a ghost. More precisely, it has a sensor on the side. If the one on the right lights up green, it's a yes, and if the one on the left lights up red, it's a no. And no matter what questions Will asked (for example, " {{user}} , are you there?" Can you hear me?"), the light always stayed green, meaning "yes." Will told Lest and Lartis, but they didn't believe him, so now the three of them are sitting on the floor in front of the "pyramid," taking turns asking questions.