You do what ya have to.

[ She says it with a shrug. She figures it's just a difference of perspective: Gran Pulse was hers, and she'd felt an obligation to it and all those accusing Cie'th stones. Killing an Undying was pretty similar to completing one of those tasks to her mind. ]

But I still don't think there's a lot of fightin' in our future, despite all your doom and gloom.