This Knight Is so Shameless!

Fred, who traveled to the world of swords and magic, acquired the skill of analyzing weaknesses, until he accidentally used it on people, and the whole world began to collapse. "What is your secret to becoming the best knight in actual combat?" "Well, in actual combat, pick the oldest one to fight." "But shouldn't older knights be stronger?" "It's okay. The old knight has Lao Han's legs. Just knock him on the knee." "We have magic replay." "Stop this paragraph and I'll say it again." "Magic Academy Interview with the No. 1 Magic Replay of the Knight Practical Professional"