Spiral Heart

Spiral Heart is an attack that performed by Amu Hinamori as Amulet Heart. She performs it by spinning the Heart Rod and throwing it. When she misses her target, it comes back to the target like a boomerang.

It also had the power to sprinkles a paralyzing dust arounds the target to make sure they don't get away when she purifies them.

Movie
Spiral Heart makes in two new movies:
 * in the movie 1,when she in her Lucky Form,she uses an attack called:"Lucky Spiral Heart" to paralyze the target.
 * in the movie 2,in the battle against King Croc,she uses an attack called:"Open Spiral Heart" a combination using a Spiral Heart with a Open Heart.

Trivia

 * Its powered-up counterpart is " Spiral Heart Special"
 * In the anime, it is used for the first time while Amu is in the library in episode 17. In the manga, it is used for the first time when Amu was trying to free Su from Yuu Nikaidou.