What was the highlight of the Douluo Continent's fourth volume, the Ultimate Douluo 12 manga?

Douluo Continent's fourth Ultimate Douluo 12 manga was a highly anticipated manga. The following is an introduction to its highlights: New characters: There will be many new characters in the fourth episode, including new students from different Spirit Master academies and characters who have left a deep impression in history. They will inject more elements and depth into the story. 2. Powerful soul beasts: In the fourth chapter, soul beasts will play an important role. They will join the battle and play a huge role. At the same time, the personality and behavior of the soul beasts would be described in more detail to present a more vivid world of soul beasts to the readers. 3. Soul Ring Evolution: In the fourth chapter, the Soul Ring will evolve into an even more powerful Soul Ring. The evolution process of this kind of spirit ring would be more complicated and interesting, at the same time it would also bring more battles and surprises. 4. Spirit Master Academy struggles: The fourth volume will involve the struggles between various Spirit Master academies, including the Huo Clan, Shrek, Heaven Dou, and other academies. The characters and stories of these academies would be more colorful. 5. In-depth emotional description: In the fourth chapter, the emotional description will be more in-depth, and the emotional entanglements and contradictions between the characters will be more eye-catching, presenting a more touching story for the readers. The above are some of the highlights of Douluo Continent's fourth Ultimate Douluo 12 manga version. I believe these highlights will add more attraction and interest to the story.