Quote Originally Posted by EaraGrace View Post
It wasn’t sacrificed though. There’s an entire short story on the official site going into what happened after. The 8th astral era.
However no one involved in the Crystal Tower experiment expected that timeline to survive. And large numbers of the people involved were against it, so much so that they attacked the Ironworks to try and stop it. Even G'raha expected to die when the possibility of the 8th Calamity was finally destroyed.

So the fact that it didn't end is irrelevant when considering people's motives and whether they are entitled to take the moral highground. Yoshida himself has drawn parallels between G'raha and Emet-Selch and intimated that the only thing that makes one of them the villain and the other the hero is that G'raha's team won