His walk like the smoke of the djinn was the gait and mannerism of the serpent.
Now I understand the deformity she has. The original line of Eve. The daughters of the first incest. They were given the deformity for trying to be of the snake. One hip out of alignment so you can never miss them when they walk.
Look at the fingers.
And those scoliosis checks may be more sinister than they look.