Martial Arts Immortality: as My Proficiency Reaches Full Level, I Gradually Become Invincible

After the death of his younger brother, the original owner sold his younger brother's flesh and blood to others as a concubine in the 35th house in order to go to the gambling house and Hualiu Lane. Jiang Yu, a soldier, traveled through time and became furious, awakening the proficiency system. From then on, it was all worth it. It took others a month to get started with the technique, but Jiang Yu could do it in an hour! From now on, slay the powerful, kill the bullies, kill the enemies, and walk on the road to immortality! Ever since then!