One potential new protagonist could be Issei's other friends or comrades. Since Rias is being bashed in this type of fanfiction, they might get more screen time and development. For example, Kiba could step up and show his leadership skills and unique abilities more.
It could also be an entirely new character introduced in the fanfiction. This character might come from a different part of the supernatural world and have their own motives and goals. With Rias out of the way as the main focus, this new character can interact with the existing characters in new and exciting ways, driving the plot forward in unexpected directions.
Chapter 147, "Total Kill, Confrontation Cold Resistance Level [Killing Spree Chapter, Seeking Monthly Tickets]", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter gives readers a real answer by opening on Don't kill them all, leave some alive!" Xia Hong ignored the look in... and ending on Xia Hong immediately understood the hidden meaning in Yuwen Hu's....
Chapter 231, "Investigating Yang Lu by Day—Whose Side Are We On?", is the clearest early answer because it turns Chen Yingba's situation into a concrete plot event. The chapter gives readers a real answer by opening on They are now located southeast of the hill, and the west side happens... and ending on Two on the first floor, four on the second floor, one on the third....
Chapter 175, "Ape Mountain, Xiao He Camp", is the clearest early answer because it turns Xiao Daoyin's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hearing Xiao Yuan's recounting, both Xiao Yu and Xiao Hen turned... and follows through with This was not what he had anticipated!.
Chapter 141, "Intermediate Thunder Kui, Second Reshaping Skin [Three in One]", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. Early on, It's a pity that Xia Hong and the fourteen members of the Hunting.... By the end, Based on the speed and power of the Snow Mane's spikes and the....
Chapter 234, "Probing, Arrangements, and Hou Hu’s Confidence", is the clearest early answer because it turns Hou Hu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The strength of Zhaoyang, which challenges the status of Long... and follows through with However, he recognized Bai Qiucheng and Dong Zhong, who were seated....
Chapter 168, "Snow Bamboo, Longyou, Sudden Wealth - Part 3", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Xia Hong encompassed the entire Arrow Bamboo Forest on the scroll,.... By the end, So far, Great Xia has ventured only about three to four kilometers.... Inside the broader family politics storyline, the chapter closes with Xia Hong paid it no mind at all;
Chapter 152, "Mirror Immortal's Killing Intent, Who Has Been Framed?", is the clearest early answer because the violence around Xia Hong becomes final instead of hypothetical. The chapter gives readers a real answer by opening on They plan to wipe us out in one fell swoop!" Xia Hong turned back to... and ending on Once the Second Leader arrives with reinforcements, they'll all....
Chapter 173, "New Regulations of the Hunting Department, Building Upgrade", is the clearest early answer because Great Xia finally turns buildup into a real advancement. The chapter gives readers a real answer by opening on Hong Guang, standing nearby, immediately pulled out a wooden plaque... and ending on In its place was a massive three-meter-wide tripod cauldron..
Chapter 206, "Pleas, Cold Element Festival, the Leader Emerges", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. The setup is Xiang Liang stepped into the silent hall, hearing only the echo of..., but the pressure keeps building through This solemn and majestic atmosphere undeniably made him more and more....
Chapter 204, "Homecoming, Unease, Avian", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Using millions of pounds of iron ore to make a gate?. By the end, With more information deduced in his mind, Xiang Liang's expression....