In this fanfiction, it could be that Undyne declares war against an unjust regime. She might gather an army of like - minded individuals and engage in battles that not only test her physical strength but also her strategic thinking. The story could detail her training of troops, her alliances, and the challenges she faces on the battlefield.
Perhaps in this fanfiction, Harry Potter declares war because he discovers a new and even more dangerous threat that the wizarding world has been ignoring. He realizes that the only way to deal with it is to take a stand and fight. So, he uses his influence and skills to form an army and begins a full - scale war against this new enemy, which might be a powerful dark wizard from a far - off land or an ancient evil that has been awakened.
Well, it could be that Harry gets tired of Umbridge's tyrannical rule at Hogwarts. He might start by secretly organizing the students to resist her unfair rules. Maybe he uses his status as the Boy Who Lived to inspire others. For example, he could encourage students to defy her ban on certain magical activities. Then, he might start a campaign of small acts of rebellion, like writing anonymous letters about the truth of what's happening in the school.
Mikasa and Eren don't kiss in the manga. The focus of their connection lies in different aspects of their shared experiences and the evolving plot rather than a romantic kiss.