Actually, we never saw Sil shoot her at all. We saw her crawling and begging and we saw Sil shoot his gun, but we never actually Saw Ade shot. I think that Chase did it that way so that he could bring her back in the future, if he so desired. Not sure if he will, I just have always thought that it was left in the air on purpose.

I doubt that Sil would've have shot her and left her for dead without checking first. If anything, I can imagine that Sil couldn't bring himself to do it at all, and worked out a way for her to escape. That seems more likely than her surviving the shooting.