Prehistoric: Comes with the Heaven-Covering Technique at the Beginning

Ye Tian, the ninth mortal immortal, came to the prehistoric world in his last life Black Emperor, I need you to protect Xiaotian in this life. I borrowed this sword from somewhere in the wilderness. Please bring it with you. Ye Tian was reborn, and there was always a big black dog beside him* Create your own cultivation system, establish heaven and underworld in ancient times "I, your Xuanhuang Exquisite Tower of Heaven and Earth is known as the first defensive treasure in the prehistoric times." Look at my Emperor-Destroying Sword, can you block it? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.