Usage and Limitations Edit
Luna can mediate with emotions with her sound using a flute which looks like a branch of a tree formed from leafs. It is known that produced melodies relieves the South groups members from anger and pain. As Luna states she can instill any emotion into people, altered or normal. Her twin sister, Sol, can amplify its capacity by using her similar ability at the same time.
The only presumable limitation is that people have to hear melody.