"Opponents needed! Do you have what it takes to train with the Kingdom knights?"
"Practice battle maneuvers with the Knights of the Holy Kingdom of Faerghus."
Quest-Giver Dialogue 
"The knights of the Holy Kingdom of Faerghus are seeking someone to train with. Kingdom Knights are certainly tough, but I bet you could keep up."
Quest Completion Dialogue
"It was just a training exercise, but still, that was an astounding victory. The Kingdom knights were so imppressed that they agreed to pitch in and help at the monastery."
Given to you by a female soldier near the Knight's 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.
Talk to the soldier near the Knight's Hall and accept the quest.