For Merlin, there are both good and bad consequences. On the bad side, some of the more traditional and anti - magic people in Camelot might try to oppose him. However, since Arthur now knows, he has a powerful ally. Arthur can protect Merlin from those who would do him harm. Also, Merlin can now be more open about using his magic for the good of Camelot, which is a positive change.
Muzan's origin story is quite dark. He was a human who was turned into a demon through an experiment in the past. This transformation made him the first and most powerful demon. He then began his quest for immortality and started creating other demons, often by infecting humans with his blood.
A Nezuko and Zenitsu fanfiction might explore the concept of Zenitsu teaching Nezuko about the human world. Since Nezuko has been a demon for a while, she may have forgotten some aspects of human life. Zenitsu could show her simple things like how to enjoy a flower's beauty or the taste of human food (in a non - harmful way for her). This could create a really sweet and heartwarming story as they bond over these new experiences.
Muzan was ultimately defeated by the collective efforts of Tanjiro, Nezuko, and the other demon slayers. Their teamwork and perseverance were key to ending Muzan's reign of terror in the manga.
They can start by simply searching for 'Endeavor fanfiction' on popular fanfiction websites. Many of these sites have a search function that allows users to find stories related to specific characters or fandoms.
One possible reaction could be excitement. If 1a is a fan of the character Endeavor, finding fanfiction about him might open up new storylines and perspectives that they hadn't considered before. They could be eager to dive in and explore these fictional tales.