Writing a 'Markiplier x Everyone Fanfic' requires careful planning. You should consider the different personalities and traits of all the characters involved. For example, Markiplier is known for his energetic and engaging presence. Incorporate this into your story. Develop a unique premise for your fanfic, perhaps something that hasn't been done before in other fanfics. When writing the interactions between the characters, focus on their emotions and how they change throughout the story. Use vivid language to describe the actions and settings. And always keep in mind the overall tone you want to convey, whether it's light - hearted, serious, or a mix of both.
To write a 'Markiplier x Everyone Fanfic', start by brainstorming ideas. Think about what kind of relationship you want Markiplier to have with the others. Is it a friendly rivalry? Or a deep friendship? Once you have that, create a story arc. Include a beginning that hooks the reader, a middle with some conflict or challenges, and an end that resolves everything. Also, make sure to do some research on Markiplier's mannerisms and his usual on - screen persona so you can write him accurately.
First, you need to know the personalities of Markiplier and the other characters well. Then, come up with an interesting plot, like a quest they all go on. Next, write their dialogues in a way that sounds natural to each character. Don't forget to add some description of the settings too.