If it weren't for Xiao Yang, none of them would have made it out alive.
Although they could have avoided any trouble by simply abandoning the Deer King, Tianqing would never stand by and do nothing, given her relationship with the Seventh Sister.
Since Tianqing was going to get involved, Gaga would get involved; and since Gaga was getting involved, Xiao Yang would follow right along. They were a collective unit now, and leaving anyone behind was out of the question.
Chapter 609