Well, it happened during a dangerous mission. There was a shootout and Carl got injured, resulting in the loss of his eye. The scene was intense and quite a shock for readers.
Well, perhaps it's set in a post - apocalyptic world. Carl is in a fight with some bad guys, and during the struggle, he loses his eye. The fanfic could focus on his journey to get revenge while also learning to live with his disability.
It could be a power - hungry warlord in the story's setting. This warlord might be the one who ordered an attack on Carl's group, leading to Carl losing his eye.
Carl's physical and mental evolution throughout the series makes him an appealing character in fanfiction. He started as a young boy and grew into a more hardened survivor. In Carl Grimes x Reader stories, this growth can be explored in relation to the relationship. Maybe the reader has known him since he was younger and has seen this transformation, which could lead to a unique and complex relationship.
Carl Grimes once met a girl in the post - apocalyptic world. They first crossed paths while scavenging for supplies. Carl was immediately drawn to her courage. He started to leave little gifts for her, like a rare flower he found. They would sit together at night, sharing stories of their past lives before the chaos. Slowly, their bond grew stronger and they became each other's support in that harsh world.
Carl Grimes' age in the comics is not a fixed number. It depends on where you are in the narrative. Initially, he's a child, but as the story develops, he ages along with the events and challenges he faces.