Air, Atmosphere, Breasts Expand.
|First Manga Appearance||
Amplificet Mammas (Breasts Expand) the spell calls on the power of a friendly air spirit to manipulate the air. In this case, it created an air bubble around Asuna's chest, making it seem like she had huge breasts.
Aer aer amplificet mammas
Air, Atmosphere, Breasts Expand