[The monster however has decided to wait and Harry takes a moment to get his breath back and more importantly for Coop, slow his thought process down so he's no longer in solve a puzzle as fast as I can while monsters are trying to kill me mode.]

Yes. They killed me because I stole their "holy mother" away from them years ago. And because they needed Heather to be filled with rage so they could create it again and they figured killing me would do that.