Gao Wu, I Am Invincible, I Have Become Blind and Transgendered

[High martial arts, transformation, invincibility, time travel, unchanged marriage] Lin Yun traveled through time, and traveled to the parallel dynasty of the Tang Dynasty. This dynasty was different from the dynasty in his memory. It was a world of high martial arts. People with high martial arts skills could even break mountains, break rocks, and even cut rivers with a sword. Advanced martial arts training can also increase their life span. The protagonist Lin Yun was sent over by a time-travel truck and got a problematic system. The system was loaded to 99% and stopped moving. However, he was given a big gift package and a copy of "The Art of Yin and Yang"...