The uncanny valley effect could have to do with uncertainty about whether a robotic character is truly alive or dead, and even play into our deep-seated fears of death.
The uniquely Islamic religious character witnessed in the 'city of dead', is a consequence of the grouping of princes' and rulers' mausoleums close to the tombs and khanqahs (hermitages) of saints revered by them.
With only thirty pages left to go, it is suddenly obvious that they are all dead, except for one, but the identity of that single living character is never revealed.
Perhaps due to her separate story-line, the writers of The Walking Dead have subjected us to nearly one half of the entire season devoted entirely to the most irritating character in the show.