I Have a Sword That Can Slay Demons, Slay Gods, and Open the Gates of Heaven!

(Mortal flow, no system, sword cultivator, not invincible) Chen Ping, a mine slave with a miserable life experience, accidentally awakened due to an old iron sword. He killed the mining demon with one sword and started the path to rise against the sky! He regards the sword as his master and kills all his enemies. Faced with the pursuit and conspiracy of enemies from all walks of life, he relied on his domineering sword skills and the mysterious demon-slaying sword to advance all the way. The sword pointed at the position of the Immortal Lord. Let's see how he can open the gate of heaven with one sword, cut the sky with the sword, and achieve the supreme immortal path! (The introduction is short and weak, please move to the main text to read!)