Part 3

Backtrack a moment before the fight happens at the gate. Mervin who is riding beside the carriage where Riel and Elgard are, he noticed the commotion between the imperial mounted soldiers and the dukedom knights. 

"It seems we had some problems, your grace…" (Mervin)

"Hmm? What kind of problem?" (Riel)

Ask him since he couldn't see in front of the carriage.

"The usual bickering between a soldier of the empire and ours… please excuse me." (Mervin)

Riel gave a nod as a reply and Mervin quickly headed toward the center of the commotion. 

"This always happens when the two sides met with each other. Their resentment towards one another had seeped deeply within their bones, inherited from their ancestors." (Elgard)

Said him while rubbing his forehead, frustrated. He continues to speak a moment after.

"I forgot about this when I agreed about forming an alliance with you…" (Elgard)