C2221 Pretend to Lose That Memory
The Astral Energy in Ling'er's body was something that her mother-in-law had passed on to her from the moment she was born. In addition to the fact that the two of them were mother and daughter, there was a connection to their souls.
When Ling'er had faced danger earlier, she had activated the Astral Energy within her body. Thus, Granny was able to detect it in time