What are the novels about Time Travel Douluo?

"Start with Douluo", "After the showdown, I am really a titled Douluo", etc.

1. "Punching in from Douluo" is written by Xia Harp. The protagonist Wang Feng travels to Douluo Continent, but accidentally activates the auxiliary system. With the help of the system, Wang Feng begins to obtain various All kinds of powerful martial spirits. The harem novel has been completed, with a total of 4.16 million words.

2. "The Showdown Is Really a Titled Douluo" is written by Yun Tong, Wudi Wen. Time travel is a Titled Douluo. As soon as the nine soul rings are opened, the tiger's body is startled, his domineering attitude is exposed, and he puts on the costume. The invincible road to being slapped in the face. There are 4.34 million words in serialization.