No. 'No sire' is an old - fashioned expression not commonly used today, and 'no light novel' is a very specific statement. So when combined like this, it's not a common phrase at all.
Well, 'no sire' is an old - fashioned way of saying 'no, sir'. As for 'no light novel', it could mean there is no such light novel in a particular context, like in a collection, a store, or within a certain genre. Maybe someone is simply stating that they don't have or don't want a light novel.
I'm not entirely sure specifically what that particular 'sire your children RWBY fanfic' is about as there could be many interpretations. It might involve the concept of characters in RWBY having children in a fan - created story. But without reading it, it's hard to say for sure.
Yes, there are quite a few out there. You can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'harry is carlisle's sire' and you'll likely find some interesting stories that explore this unique relationship.
In Merlin fanfiction, Merlin calls Arthur sire as a sign of respect. In the Arthurian legend and related fictional settings, sire is a term used to address a nobleman or a person of higher status. Merlin, being Arthur's servant and advisor in many versions, uses this term to show his loyalty and deference to Arthur's position as king or prince.
The themes can vary widely. Family is a big one in some cases. Harry might be seen as part of Carlisle's 'family' in a different way now that he's his sire. Also, there's the theme of adaptation. Carlisle has to adapt to having Harry as his sire, and Harry may have to adapt to the vampire world in ways he didn't expect. There can also be a theme of secrecy, especially if they need to keep their relationship a secret from others in the Twilight world.
Well, for one, it allows for exploration of the characters' personalities in new ways. The sire bond can make Spike more submissive to Angel in some fics, or it can be a source of conflict as Spike tries to break free. It also gives writers a chance to play with the vampire lore in the Buffyverse, creating unique storylines that might not have been explored in the original shows. For example, how the sire bond affects their relationships with other characters like Buffy or Drusilla. There are countless possibilities for character development and plot twists.
One common theme is loyalty. The relationships between the angel, spike, sire, and childe often involve questions of loyalty and betrayal. They have to decide where their loyalties lie in different situations.
Fanfiction.net is also a place to search for it. There are many RWBY fanfics on this site as well. Just use the search function and type in the title 'sire your children RWBY fanfic' as accurately as possible to see if it exists there.
One great 'angel spike sire childe fanfiction' could be 'The Bond of Sire and Childe' which explores the complex relationship between Spike and his sire in a very detailed way. It shows how the dynamic changes over time and different situations they face.