My Martial Arts Is Not Normal, I Can Actually Improve It Myself

Lin Fei obtained the strengthening system and thought he would be at the pinnacle of his life, but he didn't expect that his martial arts could be strengthened by himself. Your Black Tiger Sword Technique occupied the strengthening point, and the enhancement was successful, and it became the Tiger Lord Sword Technique. Your Tiger Lord Sword Technique was successfully strengthened and became the Husha Sword Technique. Your Tiger Demon Sword Technique was successfully strengthened and became the Tiger Demon Sword Technique. Your Black Bear Body Training Technique was successfully strengthened and became the Bear King Body Training Technique. Your Bear King Body Training Technique was successfully strengthened and became the Bear Demon Body Training Technique. Lin Fei's martial arts is abnormal. If you add some, you will be invincible! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.