Quote Originally Posted by gwahir View Post
we have no reason to believe that she was a smoke monster specifically

it seems weird that she'd be a monster AND the guardian, which she was
Quote Originally Posted by KT. View Post
Also, how else would a middle-aged lady kill a bunch of people, drag a full grown man out from the bottom of a well and then destroy said well?
Her being both wouldn't be any more weird than the rest of the show.