Self-Taught Swordsmanship, Didn't You Say It Would Be Eighty-One Difficult?

[System + martial arts + funny + passionate + famous scenes] Li Ergou accidentally obtained a unique secret book because of his hero's rescue of the beauty, "How to Make a Sword Immortal" Brother, your secret book is too modern. But why do you have to go through eighty-one difficulties to become a sword immortal? [System reply: Steel needs to be tempered thousands of times before it can be formed. I want you to become a swordsman before giving you eighty-one difficulties. What's wrong with you? OK, OK, but... The rewards given by this system are also a bit too abstract. [Mars Dali Pill: After taking it, it can greatly enhance your physical fitness, but the side effect is that you will emit sparks when you fart. [Invincible Vajra Finger: Concept God, as long as you think it can block the attack, it can block it. I want me to think it, not you to think it...] Many years later, the young man sat alone on the vast mountain, pointed his sword at the sky, and said the words that had been in his heart for a long time. No one helped me to reach the top of the mountain by walking on the snow.