We already know one thing, and that is that author George R.R. Martin is a cruel viscous author that likes killing off main characters. Nothing supports this more than the image below. Every Death in Game of Thrones marked. Wow… there sure are a lot of marks. I shudder to think what lies ahead, not having read the books yet.
As we prepare for the next season of Game of thrones, we now know that we can expect quite a few more deaths.