User blog comment:Inept Wiki User/Speculation: The other Celestial Spirits/@comment-49.176.2.181-20130612141802/@comment-7418318-20130612181630

Urano Metria might be usefull if someone is able to occupy the enemy's attention, but using it in a 1 on 1 fight is risky.

Not every enemy will stare in awe like Angel and Flare untill Lucy finished the complete incantation.