Death from above
Ceph did not press more into the topic, somehow he understood that the time to talk about it was not right before they left to join in a war.
Ceph also wasn't thrilled about the idea. He wanted to stay and play with his friends.
However, he understood that this was necessary.
He understood that if they did not help then the kingdom would slowly lose more and more land and people. He might not understand fully what this meant, but he understood that it meant people would die!
Once he understood this he could no longer enjoy his time with his friends. Because he also understood that someday they might also be killed.
He had to stop that from ever happening!
The two set off from the park and naturally gave a few guards a massive fright as they passed over the walls. While rumors of the flying rider had spread, it was still a shock seeing them and especially seeing their speed.