Xigua video software can watch Douluo Dalu 4 for free.
Xigua Video provides free Douluo Dalu 4 videos. The videos provided on Xigua Video are all free to watch. There is no need to spend money to purchase a membership. Xigua Video also has the copyright to play Douluo Dalu 4, so you can watch it on Xigua Video.
"Douluo Dalu 4 Ultimate Douluo" is a mainland Chinese animation.