One misstep leads to eternal regret

One hundred years ago, Ronin Austin cut open the gate to the fairyland, and fairy light descended. In other words, it was Ronin Austin who brought Nan Bei Chao into this world. Now, the two have become mortal enemies.
A powerful immortal body is definitely not easy to kill. Ronin Austin severely injured Nan Beichao today, but at the last moment, the opponent escaped and Nan Beichao was not saved.
"It doesn't matter if you are a fairy or a mortal. If I, Ronin Austin, can defeat you the first...