Thirteenth Seal

Thirteenth Seal is a Harmonix offensive spell used by Aisha. She cross her arms to create an X-shaped seal made out of morphix.

Series

 * Season 5 Episode 9 - Used against the mutants.
 * Season 5 Episode 10 - Used against the ice dragon.
 * Season 5 Episode 12 - Used against the shark monster.

Comics

 * Issue 105 - Used to free Tritannus.
 * Issue 107 - Used against the Dark Sirens.
 * Issue 108 - Used against Maeve.

Trivia

 * In the comics, the spell appears more like a regular offensive ray, except for in Issue 107, where it continuously crisscrosses into an X-shape until it hits its target.