The main characters are Naruto and Ishizu. Naruto's character is full of life and his quest for becoming Hokage often plays a role in the fanfiction. Ishizu, with her own backstory and abilities, adds depth to the story. They might be on a journey to discover something about the past of the ninja world, or they could be involved in a power struggle where their combined skills are put to the test.
A common theme is mystery. Since Ishizu has a lot of secrets in the original Yu - Gi - Oh! series, fan fictions often expand on these mysteries. For example, her connection to the ancient Egyptian past is a mystery that many fan fictions explore further.
I'm not sure if there are extremely well - known Ishtar ghost stories in mainstream media. However, in some ancient Mesopotamian folklore that has been passed down, there might be stories where Ishtar's influence is felt in a ghostly way. It could be that in certain local traditions, there are tales of people seeing apparitions related to Ishtar, but these are not as widely publicized as some other ghost stories from more popular cultures.
It's hard to say if they are popular. Since it's not a well - known mainstream concept, it's likely not widely popular in general. But within the specific Ishtar collective or among those who are aware of it, it could be quite popular.
Another theme is destiny. Given their connection through the Millennium Items, many fanfictions play on the idea that they are somehow fated to be together. It could be a destiny related to protecting the world from the power of the items or a more personal, romantic destiny.
One interesting Naruto and Ishizu fanfiction could be where they team up on a mission. Maybe Naruto's unique skills and Ishizu's knowledge combine to solve a mystery in the ninja world. For example, they might be on a quest to find a lost scroll that holds ancient secrets.
Another theme is friendship or rivalry. Some fanfictions depict them as friends who support each other, while others focus on their rivalry. It could be due to differences in their personalities or their cultural backgrounds from their original mythologies. The exploration of this dynamic can be really engaging.