Not even a while after the arrival of the castle's newest residents, yet another serious matter appeared in the picture and threw them off guard.
Rupert was able to get into contact with some of the members of the Catalysts who were not in the fortress - meaning that they were at other secured locations that could either be a hideout or another barricaded city. From them, he got to learn that everyone back in the main branch was in a tight position. What was written on the letter were all true - a possible attack would happen soon.
"Seems like we really can't hide forever. A castle may have been a little too attention-catching, but I'm not complaining. It's worth seeing Sia happy..." Zen thought out loud while sitting behind his study table at his laboratory and reading some research materials.