Audrey knew that her mind and psyche were being influenced by some kind of Beyonder power. It was only because of the "Angel's Blessing" provided by Mr. Fool that she was able to miraculously be immune to that state. Therefore, she decided to set certain things in motion, using small secrets to stun her counterparts, so as to hide the more crucial matters, in return for obtaining greater trust.
The reason why she was doing this wasn't because she didn't believe in the angel, but because she felt that she could observe her counterparty just like how they were observing her.
