Prim, the sister Katniss sacrificed herself to protect when she first volunteered to participate in the Games, dies in the final battle against the Capitol in Mockingjay, Part 2 .

What episode does Prim die?

Major spoilers for "The Hunger Games: Mockingjay - Part 2" lie ahead! Well, that was rough. Everyone who read Suzanne Collins' "Hunger Games" books knew that Prim's (Willow Shields) death in "Mockingjay - Part 2" was coming, though few could probably imagine just how devastating it was when it all played out onscreen.

Who kills Prim?

Before Katniss can reach her and bring her to safety, the second wave of bombs explodes, killing Prim and other medics and badly burning Katniss. Prim's last word ever in the book is Katniss. Katniss becomes so unhinged after Prim's death that she loses her voice for several days.