One possibility is that he gets help from an unexpected source. Since he's in a vulnerable state without his glasses in the tunnel, a friendly magical creature or even a hidden ally could come to his aid. This could lead to a new friendship or alliance. Without his glasses, Harry is at a disadvantage, but this could also be an opportunity for character growth as he has to rely on his wits and other skills more than his vision.
Well, he might be stumbling around a lot. Without his glasses, Harry's vision is really poor. He could easily bump into things in the tunnel, like hidden magical creatures or even some sort of magical traps. Maybe he'd be using his other senses more, like his sense of hearing to detect any approaching danger.
He might end up in a place where he can't see clearly without his glasses and struggles to find his way. For example, he could be in a dark forest where he stumbles around, trying to figure out where he is and how to get back. Without his glasses, his magical abilities might also be affected in some way, like his spell - casting accuracy.
He could misidentify people. Maybe he mistakes a Slytherin for a Gryffindor and gets into an awkward situation. It would be a humorous scenario where he has to quickly correct himself.
He would probably be very disoriented. Without his glasses, Harry's vision is extremely poor. In the dungeon, which is likely to be dark and full of various obstacles, he might stumble around, bump into things, and have a hard time finding his way out. This could lead to some dangerous situations as he may accidentally trigger traps or run into unfriendly creatures.
Well, without his glasses, Harry might rely more on his other senses. His magical instincts could be heightened. When dealing with the Snatchers, this could mean he'd be able to sense their dark magic more acutely. He could use this to his advantage, perhaps by using magic to disrupt their search for him. And the Snatchers might underestimate him because they think he's at a disadvantage without his glasses.
In fanfiction, if Harry Potter is in a portkey situation without his glasses, it could lead to a whole new set of adventures. His lack of clear vision could make him more reliant on his other senses, like his sense of hearing or magic - sensing abilities. Maybe he stumbles upon a magical object or creature that he wouldn't have noticed if he had his glasses on because he's forced to explore his surroundings in a different way. It could also create an opportunity for character development as he has to overcome the obstacle of his poor vision in this new and often unpredictable situation.
One possibility in this fanfiction could be that Harry's wish for his glasses was a part of a much larger plot. The glasses could be the key to unlocking an ancient magic. When he wished for them, it set in motion a series of events. The glasses might start to glow and lead Harry to a hidden chamber. Inside, he discovers a prophecy that was meant only for those who could find it with the help of the special glasses. This would make the glasses not just an accessory, but a crucial element in the fight against evil.
In the fanfiction, when Harry Potter loses his glasses, it could lead to some really interesting character development. For example, his friends might have to step up and protect him more. Also, it could be a chance for him to discover new magical ways to improve his vision without the glasses, perhaps a spell or a potion that he has to search for.
Well, maybe he stumbles around blindly for a while, bumping into things and getting into all sorts of comical situations. He could also rely on his friends more to help him get around until he finds his glasses.
In the fanfiction, without his glasses, Harry might rely more on his other senses. His magical abilities could be enhanced in a different way. For example, he might be able to sense magic more acutely. Also, he could be more vulnerable to enemies as he can't clearly see who is approaching him. This could lead to some intense and dangerous situations where he has to rely on his friends to protect him.
Well, it could be that Harry's glasses are actually in the possession of a dark wizard who wants to disrupt Harry's life. Without his glasses, Harry would struggle to see clearly and defend himself. However, with the help of his friends, he might be able to track down the dark wizard and retrieve his glasses. This could lead to an epic battle or a series of clever magical maneuvers to outwit the enemy.