Sonic Wave is the level 3 offensive-type Special Move for swords. It allows a character to attack one enemy with wind. For the duration of the music, the P.Atk of all allies is raised by 50%. Music bonuses will stack with other attribute bonuses.
FFRKSonic Wave is an enemy ability used by Cursed+ Yunalesca and Oilboyle. Oilboyle's version merely inflicts Sap to the party, while Cursed+ Yunalesca's version deals moderate non-elemental magic damage to the party.