Without giving away book spoilers, at the end of Book 3, Lady Stoneheart is introduced and was a pleasant surprise to millions of fans of the Game of Thrones and subsequent sequels of the book.  It was a palate cleanser for the events immediately following the Red Wedding.  

The elements of this storyline are highly supernatural and the HBO television show try to find a fine line to skirt between human drama and sword and sorcery-fantasy. D.B. Weiss and David Benioff can be trusted to "tighten" the show and merge multiple characters or exclude certain storylines/elements but the exclusion of Lady Stoneheart may cause a massive divide between book fans who watch the show.

Please re-consider bringing Lady Stoneheart to the show.  Many cos-players, Halloween costume addicts, GoT book fans and spoiled TV fans are anticipating the return of...Lady Stoneheart