I'm one of those who was happy they didn't kill him off completely, but I can also agree that his character arc could have ended atop the Crystal Tower and I still would have been content. He lived a long life, saved a world, and got to protect the WoL until the end. That's a good time to return to the aetherial sea, no?

Out of all the current Scions, I don't want anyone to go away. I just with G'raha was a better tank.