slapped on the face

" What's that?" Jia Li asked as she looked at the black spot in the middle of the bathtub with her hand over her eyebrows she tilted her head while focusing her attention on the black dot that was slowly getting bigger and bigger with each second. " Why do I think that something is going to go very wrong here?" 

She didn't even finish speaking when suddenly the dot grew bigger and she immediately took several steps back with a frightened and questioning look on her face. " W..What? What is this about? What's going on in here?"