There were many comics as good as Douluo Continent and Battle Through the Heavens. Here are some recommendations: [1] The Blade of Ghost Destruction: This is a popular Japanese manga that tells the story of the adventure of the protagonist, Tanjiro, in order to find his sister. The background of the story was a world ruled by ghosts. Tanjiro had to destroy the ghosts and save the world. [2]"The Attacking Giant": This is a popular Japanese manga that tells the story of the battle between humans and giants. The background of the story was a world ruled by giants. The protagonist, Alan, had to fight fiercely with the giants to protect the humans. 3 Naruto: This is a popular Japanese manga that tells the story of a battle between ninjas. The story was set in a ninja world where the protagonist Naruto had to become Naruto to protect the ninjas and the entire world. 4 "Brother Corpse": This is a popular Chinese manga that tells the story of zombies. The story was set in a world ruled by zombies. The protagonist, Chris, had to fight fiercely against zombies to protect his family and friends. 5 Fate/stay night: This is a popular Japanese manga that tells the story of time travel and the Holy Grail War. The background of the story was a fictional world where the protagonist, Emiya Shiro, had to fight to save the world and obtain the power of the Holy Grail. The above are some comics that are as good as Douluo Continent and Battle Through the Heavens. You can choose according to your preferences.