Who is taking advantage of whom?

Outside.
The two immortals of medicine and poison looked at Gong Wuqing with worry in their eyes. The three of them had been into the first floor of the imperial mausoleum before and there was nothing to be afraid of.
However, they had never gone down below the second floor. They only knew what was down there from ancient books, but had never experienced it personally, so it was difficult for them to know the real danger inside.
Although Bai Ling had explained everything clearly to Cassius...