It doesn't at all. She could have done that in a way that didn't involve all that garbage. She also could have done that at any time to any person undergoing homecoming. She could have used her brain sync super power to tell noah and friends. Not to mention the party has dispatched like a half dozen moebeus at this point. There's plenty of ways for her to die and avoid the flow or more practically she should help us until we win and then she can fade away.
How is entrusting her body to a rando going to help redeem N's humanity? She bet on the only other person who could look at N and see someone worth redeeming- her other self. Also, you know Homecomings deleting the soul isn't something that's normally done right? A regular Homecoming would have entered her back into the cycle of reincarnation and jack shit would have been ultimately accomplished. It's a special case of torture that N was trying to use to break his other self.
YoukaiSlayer posted...
How many innocent kevesi and agnian and lost number soldiers died during that month we were imprisoned?
A miniscule number compared to the number she's seen N murder and essentially been complicit in due to her very existence. The road N chose for her has crushed her bleeding heart. You might think of it as unnecessary, but the N that M knew required a GIGANTIC shock in order for his time to begin moving again.
YoukaiSlayer posted...
Not to mention, she set her plan in motion BEFORE N decided to have an "amusing sideshow". There was every possibility N just kills the party right then and there or that the side show is something worse or that Z comes personally to stop her.
She knows exactly what kind of person N is and "make them realize how powerless they are" was an idea thrown out by her during the capture incident. That's why she+Mio intervened and weakened them to the point where they were easily capturable instead of letting N go all out and at minimum kill a few of them. She was very clearly steering N towards this outcome. Because it's the cruelest outcome possible for Noah, it's also easy to predict.
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http://i.imgur.com/LabbRyN.jpg raytan and Kana are on opposite ends of the Awesome Spectrum.