Provided she understands the stakes as far as that.

[The state of the world is tied to a past history so deep, so personal, that even having lived in Iselia Kratos can barely discuss it with people he'd known for years -- people he trusts further than he's ever trusted anyone since the other seraphim, save Anna.

[This ninja understanding why she ought to put effort into defending someone she could so easily kill requires a great deal of explanation.]

You'd be willing to explain that in so much detail?