The two figures behind Nu Wa had changed into three figures, and the last figure was Nu Wa, whose snake tail turned into legs.
This is her third way.
It is also the way that she finally realized by melting all sentient beings.
[Pangu's body turns everything into death, and everything gets its way back to Pangu]
With this thought, although she can not completely copy the path of Pangu God now.
It is possible to turn it into your own use.
[Nuwa melts all living beings, and all living beings return to Nuwa]
It also conforms to what Huanglong told her at the beginning that all things belong to three, three to two, two to one