Tournaments start this week! Don't miss out!
"Fighting tournaments are held in the monastery to test what the students learned in their daily training. Speak to the tournament organizer at the training grounds to learn more."
Quest-Giver Dialogue 
"Do you know about the fighting tournaments here at the monastery? I hear anyone can get involved! Oh, I know! You and I should sign up, Professor!."
Quest Completion Dialogue
"You know how fighting tournaments work, right? One-on-One fights, one after another. Each month there are different tournaments. I can't wait!."
Given to you by Caspar located north of the Knights' Hall
Subjective: The following part of this article is based upon the editor's personal experiences and opinions, and therefore may not be applicable for all readers.
Find Caspar north of the Knights' Hall and talk to him to start the quest. Then, head to the tournament organizer in the Training Grounds. Speak to him then select a unit to participate. Win the tournament to complete the quest.