If he doesn't come, Raul will complete the ritual, receive the power of the Eternal Notes, and then head straight to the academy to find and deal with her.
Unless she escapes, Raul couldn't think of a third possibility. So Raul made all necessary preparations, even stationing the vast majority of the academy's Golden Sound staff here.
But now, her third option has arrived.
"This guy, does she plan to kill all the Golden Sounds?" Raul murmured softly.
At this point, those waiting staff stepped forward and said to Raul, "Dean, we can't just wait here any longer. That guy is insane! She wants to kill all the Golden Sounds and prevent us from completing the grand ceremony!"
This indeed seemed like the most likely situation at the moment.
But after a brief consideration, Raul still shook his head.