It could be a statement about a character named Luna Amethyst no longer being in a certain role within the context of a novel. Maybe she has grown or changed in a way that she is no longer what she used to be in the story.
One possible theme could be independence. If Luna Amethyst is no longer someone's, it might be about her finding her own identity and freedom.
As I'm not familiar with this novel named 'no longer your luna novel', I can't provide you with the main plot. However, if you can give me some more information about it, like the genre or some key characters, I might be able to guess what the plot could be about.
I'm not sure which specific 'no longer your luna novel' you're referring to. But generally, books like 'Twilight' share some elements such as the theme of love and the supernatural. Another one could be 'The Vampire Diaries' series which also has a complex love story along with elements of the otherworldly. There's also 'A Shade of Vampire' that might be somewhat similar in terms of having a unique relationship dynamic and some fantastical elements.
Well, again, without knowing the specific novel, it's hard to say for sure. But generally, if she's an important character, she could be the key to resolving a major conflict, like saving a kingdom or solving a mystery.
The significance could be that it represents a character's growth or a change in their emotional state. Maybe she has overcome some great sorrow or trauma within the story of the novel.
It could be a very specific novel with a title or concept like this. Maybe it's about people who are no longer relevant to a certain situation in the story. Without more context, it's hard to say exactly.
The kiss could signify a deepening of their friendship. They might have been through a lot together, and this kiss could be a way of showing that their bond has reached a new level of closeness.
Since I don't have more information on 'Amethyst Novel', it could be a fantasy novel where amethyst has some magical properties. Maybe the main character has an amethyst amulet that gives them special powers. It could also be a love story set in a place where amethyst is mined.
To make your novel longer, consider elaborating on the backgrounds and motivations of your main characters. Also, you could describe the settings in more detail to create a richer world for your readers. Another way is to introduce more challenges and complications for the characters to overcome.
It might imply that within the context of a fanfiction community, Harry is the one who has the rights or is seen as the originator of the Luna - related fanfiction. For example, he could have written it or commissioned it, thus 'owning' it in that sense.