Towards the end of chapter eight, Simon becomes overheated a…

Towards the end of chapter eight, Simon becomes overheated and delirious, and spends some time chatting with the pig’s head on a stick.  During this conversation, the pig’s head says, “‘Fancy thinking the Beast was something you could hunt and kill!  You knew, didn’t you?  I’m part of you?”   In this section of the book, Golden is suggesting what?