C306 One Last Wish
First of all, it was to test whether the Barrier was useful to Luo Ming.
She had spent many years to develop this Barrier, but in the beginning, she was not sure if this Barrier was useful to Luo Ming, so she had something to do with Bai Yunzhuo.
However, there was a flaw in the test, because in the end, Luo Ming still found where Bai Yunzhuo was hiding