C39 Destruction

Damn it, it turns out this mechanism is opening the pool. Just now, I was wondering why there was no magma mentioned by the Skin Painting Ghost at the bottom of the pond. I thought that the ghost girl was lying to me, but now I understand that it was Taoist Ermei who sealed it.

But how am I supposed to escape now? I was a little dumbfounded. The walls of the pond were over two meters tall