One possible fanfiction could be about Ruby getting an eye patch after a dangerous battle. Maybe she loses her eye while protecting her friends from a powerful Grimm. In the fanfiction, she could struggle with the change in her appearance at first but then grow to see it as a badge of honor.
The story might be that the monkey is a superhero with special powers and the eye patch hides those powers. Another possibility is that it's a character in a fantasy world and the eye patch has some magical significance.
One interesting Naruto eye patch fanfiction could be about a character who has an eye patch due to a battle injury and is on a journey to regain their lost power. They might face challenges and discrimination because of their 'flawed' appearance, but they use it as motivation to become stronger.
Well, Nick Fury's eye patch came about when he was on a dangerous mission. Something went wrong, and he ended up losing an eye, leading to the need for the patch.
She could get the eye patch in a training accident. It makes her feel self - conscious at first, but then she realizes it doesn't change who she is. Weiss could be the one to help her come to terms with it by saying something like 'Your strength is not in your eyes, but in your heart'.
There were many anime characters who had their eyes covered. The more famous ones included Naruto from Naruto, Monchi D. Luffy from One Piece, and Gagome from Inuyasha. The way these characters covered their eyes was different, but they all showed their unique personalities and characteristics.