Douluo Violent Respiratory System

I, Mu Tianxing, traveled to the Douluo Continent and became a snake. Later, due to an explosion of luck, I acquired a respiratory system that allows me to gain experience points as long as I breathe. Then Mu Tianxing. You take a breath and get 1000 experience points... You take a big breath and get 5000 experience points... You feel the joy in life and get 9000 experience points. Just like that, Tang Tian is already invincible in Douluo while breathing. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.