Magical Echo

Magical Echo is a Believix offensive/defensive spell used by Musa in which she forms a sphere or barrier of sound and this can be used either offensively or defensively depending on whether she forms it either around herself or the enemy.

Series

 * Season 4 Episode 9 - Used against Gantlos.
 * Season 4 Episode 21 - Used to defend the wizards and herself.
 * Season 4 Episode 24 - Used to defend the Warrior Fairies.
 * Season 4 Episode 25 - Used to stop the lizard monsters from entering.
 * Season 5 Episode 2 - Used against the mutant.

Comics

 * Issue 99 - Used to deflect Jenny's Power of the World back at her.

Trivia

 * In the Nickelodeon dub, while being used in Season 4 Episode 24, it is called "Sonic Shield".