User blog comment:Avatar226/S-Class Fairy Tail Trivia Contest 2014/@comment-7577835-20131224063942/@comment-7418318-20131224090916

Urano Metria: "Tetrabiblos, I am the ruler of stars."

While I don't know the full incantation of Urano Metria, I knwo bits of it. The word Tetrabiblos among them.