It all happened in the time it takes a spark to fly off of a piece of flint. Furthermore, the long-haired woman had clearly never considered that her powerful divine ability actually wouldn't affect Bai Xiaochun.
However, she was an extraordinary being, and despite the fact that it seemed to Bai Xiaochun that she couldn't possibly avoid his strike, she actually chuckled, and then vanished into thin air.
A moment later, she reappeared back at her vanity, combing her hair. It was almost as if everything that had happened moments ago had been an illusion. As for Bai Xiaochun, he stood there, his face ashen and his heart pounding in his chest.