I'm afraid the reason why we entered this place is real. The curse here might also be real, and ...
When song qingxiao reached this point, her tongue touched her upper jaw and she didn't say anything. However, number one and number two knew that she was referring to the sentence that the man had said in his excitement, "This was a cage created by the creator!
This also explained why one could enter but not leave this place. Since it was a cage, it must have trapped some dangerous things so that they couldn't leave.
What were the dangerous things? At first, number one and the others also thought it was a giant spider, but then they felt that something was wrong.
Just as song qingxiao had said, if the giant spider was really a new species that had evolved to adapt to the ocean environment, then it was not absolutely dangerous to the outside world.