The reason Meng Bingyan fell into a deep slumber was very simple: she was far too weak.
Nowadays, she resembled a sorcerer maintaining a Spirit Deity. Without Gu Xinchao, she would have had to rely on her own vital essence for sustenance, and eventually, she would have been sucked dry, ending up like those predecessors who died in Lengxiang Palace, becoming a part of Xiaohong.
With Gu Xinchao around, that possibility did not exist.
Chapter 39