I think many people want Sakura to be killed off in this war, but Kishimoto apparently has plans for her. She always has said that she would be the one to save Naruto and Sasuke from their suffering, eventually coming to the conclusion that she needed to kill Sasuke so Naruto isn't burdened by his promise to her anymore, but failed both instances. I don't really think she'll engage in battle directly for this war, rather choosing to heal lives, but having her killed is unlikely, considering that Naruto wants team seven to be together again.
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Seems like Sakura is going to be true to her word, and do nothing while her friends fight to the death in battle. If one of them dies, you will just be able to imagine the immense amount of guilt that will gather in her - but of course, such an event would be perfect for her growth, considering she has not experienced tragedy the likes of what Naruto and Sasuke have. The perfect tool to gain wisdom, that is what sorrow is.