Douluo's Light and Darkness Sword Emperor

Ling Ye, in his previous life, he was so cowardly that he couldn't even protect his parents. 500 Years later, he was given a chance to be reborn. In this life, he traveled to Douluo and had only one martial soul, the Light and Dark Sword. In this life, what will happen to him and what disturbance will he cause in the Douluo world? There will be girls~ but the protagonist is not invincible, so take your time. This is purely original, any similarity is purely coincidental. Thank you This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.