Hi everyone! This is all so exciting I can't wait to read Earth to Hell! I wasn't sure which one to choose actually because I have a different idea...
Maybe Emma is a normal girl that the serpent was using as a vessel to help Simone because it is drawn to her (even tho it doesn't know why) and it wasn't Johns wish to rejoin the turtle and the serpent (and be gone) so it found another way to be close to him. I am actually thinking that it joined with Emma long before meeting John and Emma was therefore drawn to Hong Kong to be close to Simone and John. Seeing as John lost the serpent before Emma was born it may have found her at a very early age....
mmm not sure if that makes sence at all but thats where my head is atm