In the brutal world of Game of Thrones, survival is not always dependent on brawn, but on brainpower. A single miscalculation can cause even the strongest characters to crumble.

Game of Thrones excels at subtly foreshadowing deaths, and it doesn't happen just once in the show. In Season 1, two key deaths—Robert Baratheon and Ned Stark—are quietly foreshadowed through ...