User blog comment:Omega natsu2/Episode 200: Drops of Time, Review./@comment-5894890-20140920044154/@comment-108.28.233.191-20140920062308

Troia didn't really get used during the Tenrou Island arc. She didn't use it during the boat ride because she was Mest's partner, and while it was cast on Natsu as a precaution, Grimmoire Heart's ship never lifted off while Natsu was on it.