The callback to the line from Episode 1 about "never going back." The literal trail of breadcrumbs (or blood) left behind.
Developing a post for —often titled "Bloodthirsty" in some contexts or relating to visceral themes in others—can be approached from a few different angles depending on the specific show you are following. [S1E4] Bloodthirsty
[S1E4] Bloodthirsty — Discussion Thread: Did they go too far? The callback to the line from Episode 1