User blog comment:IamJakuhoRaikoben/Chapter 373: Life or Death?, Review./@comment-24446496-20140228224759/@comment-24066070-20140302204156

Urano Metria is strong, but due to the incantation it is a slow spell. Therefore she can't use it open combat (yet) since the opponent would take advantage of the huge opening it leaves during casting.

Flare and Angel were too busy being baffled by the light, but a cruel demon would just attack her and deal massieve damage.