Sonic Screen

Sonic Screen is a Believix defensive spell used by Musa, in which she summons a blue and red colored shield. It was used once in a Believix Convergence to free Roxy from Nebula's control. In the third episode of the fifth season, the spell was more of an attack than a defense.

Times when Used

 * Season 4 Episode 9 - Used in a covergence with Flaming Armor, Spring Ring, Shield of Sirus, Plasma Wall and Defender Plate in order to free Roxy from Nebula's control.
 * Season 5 Episode 3 - Used against the Trix.
 * Season 5 Episode 4 - Used to protect herself.
 * Season 5 Episode 6 - Used to protect Stella and Tecna from Icy's attack.