Winx Club Forever
Diapason is a Harmonix offensive spell used by Musa. She summons the diapason and can play the it like a harp or tap it with her index finger to release visible, pale lavender sound waves at the enemy or object.
Times When Used
- Issue 106 - Used to neutralize the birds' cries but failed.
- A diapason is a tuning fork.
- In Issue 106 of the Winx Club Comic Series, this spell appears just like most of Musa's sound-based attacks.