Puck scoops Ember up in his arms. She’s gotten almost too large to carry, but he makes it work. They shoot off into the sky, causing Tris’ stomach to drop until they level out. Riding a fire dragon is a lot scarier than riding on the other dragons. Tris feels like she’s going to fall off if she leans the wrong way.

She pushes her fears aside as she remembers why they’re doing this in the first place. Nick needs her, she knows it, and it’s up to her to save him. As the ...