High Martial Arts: Start with Black Tiger Fist, and Cleave Through the Chaos!

When I woke up, I found myself to be an unknown nobody in a chaotic world of martial arts. Fortunately, the system that increases proficiency by killing enemies has been awakened, making it as easy as mowing grass to defeat enemies. With the ancestral Black Tiger Fist and Black Tiger Saber in hand, he rose from the lowest-ranking soldier to become invincible. I thought it would just be a quick and easy level up, but I unexpectedly discovered that the secret of shattering the void was hidden in the ancestral martial arts...