User blog comment:IamJakuhoRaikoben/Chapter 394: Juvia vs. Keith, Review./@comment-110.20.169.85-20140726011624/@comment-7418318-20140726082252

Gray looked relieved rather than sad about Silver finally passing on. And if you look at it Silver passing on is the best outcome for both of them, that both wanted. And on top of that Gray got the chance to say farewell to his father and gain closure. Something he couldn't get as a child.

So everything that happened to Gray turned out good and the gets the power on top.

And Lucy? She lost her longest friend, someone she dearly loved. Destroying Aquarius' key was a true sacrifice and a bitter one at that. Sure Aquarius isn't dead, but with no way to even talk to her she might as well be.