Sono Arcanum

Sono Arcanum (ソニックアルカナム) is a series of techniques that appear in Kingdom Hearts Union χ.

Kingdom Hearts Union χ
Sono Arcanum (ソニックアルカナム) is a special attack that targets a single enemy. It costs 4 special attack gauges to perform. It deals extremely powerful hits.

Sono Arcanum EX (ソニックアルカナム改) is a special attack that targets all enemies. It costs 4 special attack gauges to perform. It raises 's PSM-strength by 3 tiers for 2 turns. It adds 1 to the enemy countdown. It inflicts more damage the higher Player's HP.

Kingdom Hearts Union χ

 * Sono Arcanum is the special attack for medal.
 * Sono Arcanum +1 is the special attack for medal.
 * Sono Arcanum +2 is the special attack for medals and.
 * Sono Arcanum +3 is the special attack for medals and.
 * Sono Arcanum +4 is the special attack for medals and.
 * Sono Arcanum +5 is the special attack for medals and.


 * Sono Arcanum EX +5 is the special attack for medal.

Etymology
Sono Arcanum's name is derived from the Latin sono, meaning "to make a noise," "to speak," or "to cry out," and arcanum, meaning "secret." As such, the technique's name is meant to mean "Sound Secret." Its Japanese name, "Sonic Arcanum," means "Sonic Secret."