I finished the series in about 2.
Of course this is a battle series, and you can tell that this is where a good chunk of the budget was spent, with fluid animation and splendid choreographing that kept your eyes firmly glued to the screen.
She is later captured by Dante, whose purpose is Rosé's body, but is later freed by Edward.
The show didn't have all that much of a budget to work with, and there were times when it showed, inconsistent character designs, jagged edges, and one or two episodes in particular that looked fairly cheap.
Especially considering the fact that this anime is a shonen.
Whether you like anime or not, this should be near the top of everyone's must watch list.