Of course he cries, of course he falls apart. It was much the same for Thorin in the face of the things he saw. Years ago, he would have been precisely here. Thorin kneels down in front of his nephew and what his worst fear has left him with. This... this feeling of loss and failure, he knows all too well there is no way to mend it. Luckily there is no need to.

All he can manage is wrap his arms around Fili and the body he cannot let go.

"It is not your fault."