The truth of the Delta 15 story is questionable. Some parts might be based on real events, but others could be embellished or fabricated. It depends on the sources and the context.
No, the novel coronavirus isn't always the delta variant. There are many other variants circulating as well. Factors like geographical location and the specific outbreak can influence which variant is predominant in a given area.
I'm not sure. It depends on the source and the details of the story. Some such tales might have elements of truth, while others could be pure fiction or exaggerations.
Delta Dawn is not a true story. It's more of a fictional creation with elements that might draw inspiration from various sources but not based on actual events.
The cross - over aspect is very appealing. Fans of both Naruto and DxD get to see their favorite characters and worlds interact. Naruto being immortal adds an extra layer of intrigue as it changes the power dynamics. His ninja skills are different from the magic and powers in DxD, so it creates unique battle scenarios.
One popular 'naruto theimmortal beats dxd fanfic' could be 'Naruto in DxD: The Immortal Shinobi'. It has an interesting plot where Naruto's abilities from the Naruto universe are pitted against the challenges in the DxD world. The story often showcases Naruto's growth and how he adapts to the new environment while still maintaining his ninja essence.
Delta Force has roots in true stories, but it's not a completely accurate account. It blends real-life scenarios with creative storytelling to make it more engaging for the audience.