C217 Is it the heavenly secrets again

The scene before my eyes was pitch-black. I couldn't figure out how I got here at all. The clearest thing in my memory was the person I saw on top of the pillar.

Thinking about that sudden hand, I couldn't help but feel fear. Was that thing a hand just now, or was it a person hiding underground?

If it was just a hand, how did it move, and why did it have so much strength?

But if it's a person