Well, one way could be to focus on Hiccup's inner struggle and determination to recover. Maybe show how this event changes his perspective on life and his relationship with dragons.
One way is to develop a unique sign language for him and the other characters to understand. This could add an interesting layer to the story and showcase the bonds of friendship and understanding among them. Also, you could explore how his muteness affects his relationships and self-perception.
One way could be to have him go on a solo adventure to prove his worth and find a way back.
It depends on the context and the tone of your fanfiction. You could describe it as a tender moment of care or as a comical event.
You might consider making his blindness a source of inner strength and self-discovery. It could open up opportunities for unique character development and unexpected plot twists.
It could go a few ways. Maybe the friends of Hiccup form a rescue team and come up with a strategic plan to find and free him. Or, there could be some unexpected twist where Hiccup manages to escape on his own with the help of a dragon. It all depends on the creativity of the author.
You could have the other characters come to his rescue quickly and have a thrilling escape scene.
You could start by imagining a unique backstory for Hiccup's reincarnation. Maybe he retains some memories from his past life or gains new powers.
You could have other characters care for him, like Astrid bringing him medicine and soup.
Well, it varies. Sometimes the fanfiction makes it a turning point for Hiccup's character development, leading to new skills or a change in his outlook. Other times, it's used to deepen the bonds between characters as they work to prevent his death.
It can be quite challenging. You need to be creative and consider the characters' personalities and the world-building carefully.