Character development is crucial. Spike might grow more confident in his relationship with Limestone, and Limestone could become more open - minded. Additionally, conflict is often an element. It could be external, like a threat to their town that they have to face together, or internal, such as their own insecurities about their relationship.
I'm not sure how many you've already read, but 'Spike and Limestone's Shared Secrets' is a fanfic that delves into their private conversations and the things they only share with each other. It gives a really in - depth look at their relationship. There's also 'The Growing Bond of Spike and Limestone' which shows their relationship evolving over time in a very natural and engaging way.
One common theme is the contrast between their personalities. Spike is often shown as energetic and a bit impulsive, while Maud is very calm and matter - of - fact. Their differences create an interesting dynamic in the stories.
One great Spike x Shining Armor fanfic is 'A Bond Beyond Expectations'. It delves into their relationship in a very unique way, showing how they could support each other in different scenarios. It has a really engaging plot that keeps you reading.
One common theme is friendship. Despite the harem aspect, Spike often forms deep friendships with the characters in the harem. Another is growth. Spike usually grows as a person through his interactions with the harem members.
One common theme is unrequited love. Often, Spike has strong feelings for Rarity while she may be initially oblivious or focused on other things. Another theme is growth. Their relationship helps both of them grow as characters, like Spike becoming more confident and Rarity learning to see beyond appearances.
One common theme is the exploration of their unlikely relationship. Given their different personalities and backgrounds in the original source material, fanfics often delve into how they might come together. Another theme is power dynamics, as Spike has his vampire nature and Willow has her growing magical powers.
Friendship is a common theme. Spike and Applebloom can start as friends and gradually develop deeper feelings. Another theme could be adventure. They might go on an adventure together in Equestria and their relationship evolves during that journey.
You can find Spike x Ember fanfic on popular fanfic websites like FanFiction.net and Archive of Our Own (AO3). These platforms have a wide range of fanfics written by different authors.
Character growth is another important element. Spike might learn to be more assertive from Ember, while Ember could learn about friendship and loyalty from Spike. These changes in their characters over the course of the fanfic make the relationship more believable and engaging.