Douluo Continent was a very popular novel. There were a total of four novels, namely Douluo Continent, Douluo Continent II Dragon King Legend, Douluo Continent III New Douluo Continent, and Douluo Continent IV Ultimate Douluo. There were 108 chapters in Douluo Continent, 100 chapters in Douluo Continent II Dragon King Legend, and 99 chapters in Douluo Continent III New Douluo Continent. There was no specific chapter number for Douluo Continent IV Ultimate Douluo.