For Peace
Their carriage was one of the few arriving at the ritual, as most people used flying ships to get there. However, the princess had a weird belief that she needed to befriend everyone, and flying ruined that for her.
Nikolai tried to think of ways to prevent Master Edward from learning about the assassination. However, the more he thought of it, the more confused he became.
If Master Edward truly learned about the assassination, there was no doubt that he would save his disciple, restoring the original timeline. As for the consequences of him learning the future, Nikolai couldn't even imagine.
The war might even be brought closer since the strategist would use this chance to strike the Bestial Kingdom. As he sat in the carriage, Nikolai realized that there were so many different outcomes that he could not decide which one would be the right path.