Aeroga II's scroll can always be purchased in Lower Jeuno from Susu. In addition, its scroll can also be obtained as a drop from high leveled Yagudo enemies and Moblin Enginemen.
When cast, Wind damage is dealt to all enemies in a limited area of effect for 131 MP. It takes 7 seconds to cast and can be recast every 10 seconds.
Aero is a Greek prefix relating to air and flight. Common usages in modern times include the words "aeroplane" and "aerospace". The "-ga" suffix denotes it is the level three form of the base Aero spell.