Twilight Sparkle would definitely be one of the main characters affected. As Spike was her assistant and friend, his death would leave a huge void in her life.
One common theme could be the impact of his death on the other characters. For example, Twilight Sparkle, who has a close relationship with Spike, would likely experience a great deal of grief. Another theme might be how the Ponyville community as a whole copes with the loss of such an important figure. Since Spike is often involved in various tasks and interactions within the town.
I'm not aware of specific 'MLP Spike death fanfics' as they can be quite niche and often vary in quality. You could try searching on fanfic - specific websites like Fimfiction.net. They usually have a wide range of My Little Pony fanfictions and you might be able to find something related to Spike in that regard.
The follow-up to "Spike" was "The Road Towards Heaven". " The Great Path Towards Heaven " was a story that happened after " The Spies ", and the timeline spanned thousands of years. It told a story about the journey from Chaotian to the universe.
Spike Milligan is the author or creator of the story. He is likely the one who came up with the idea of a grandad telling a bedtime story, and his unique style would be evident throughout the work.
Their relationship could develop through shared experiences. For example, if they volunteer together for a community project in Ponyville. They'll get to know each other better and start to respect each other's abilities. It could also develop if Spike helps Cheerilee with a problem in her classroom, like dealing with a difficult student. This would make Cheerilee see Spike in a new light.
With the dragons, Spike's status could be different. Dragons that used to look down on him might now be either more respectful or more hostile out of envy. Among the ponies, Spike would become even more of a novelty. Some ponies might ask him for rides or to help them reach high places. His relationship with Rarity could also be affected. She might be inspired to create new outfits for him to match his new look with wings.
[Xu Le was described as a very powerful character in the novel 'The Spieter'.] His physical strength had already reached the peak of human strength, and he could barely release true qi. According to the description in " Celebrating Years," the release of true energy was at the level of ninth-level, so it could be inferred that Lele should have the level of ninth-level and above, and she had the potential of a great grandmaster. In addition, Xu Le was considered the fourth among the top ten experts in "Spies". Therefore, it could be said that Xu Le was very powerful.
In the novel, the protagonist Xu Le's last two wives were Jian Shui 'er and Nan Xiangmei. Among them, Jian Shui 'er and Xu Le held a marriage ceremony at the Supreme Court of the Federation, while Nan Xiangmei and Xu Le were the main couple. As for the other female leads, such as Shang Qiu and Zhang Xiaomeng, although they had a certain relationship with Xu Le, they did not explain in detail.
In the novel, the protagonist Xu Le's last official wife was Jian Shui 'er. At the marriage ceremony held by the Supreme Court of the Federation, Xu Le and Jian Shui 'er became husband and wife. In addition, Minami-san and Xu Le's relationship was that of the main partner, but they did not explicitly mention whether they were married or not. The other female leads, such as Shang Qiu and Zhang Xiaomeng, also had a certain relationship with Xu Le, but they did not explain in detail. Therefore, according to the information provided, Xu Le's last wife was Jian Shui 'er.