Talk:Amatsukaze/@comment-182.55.153.227-20150324022133/@comment-26171095-20150324023238

For rarity, she doesn't drop anywhere except the 3-5 boss node with an S rank. So she's really rare.

Desperation has its various reasons, but the two biggest ones would be (1) they really like her; or (2) they want her boiler stock equipment for their submarines (probably submarines if it's this reason).