 Sigurd tests whether the heart is fully cooked and licks his finger, and suddenly understands the speech of birds.He overhears the nuthatches talking to each other about Regin's plan to kill him, and that he should rather eat the heart himself, kill Regin, take the gold, and go to Brynhild.Sigurd kills Regin, eats some of the heart, takes as much treasure as he can carry, including the Helm of Terror, and Andvaranaut, and rides off on Grani.