Personally, I think the development of the relationship between Shirou and Saber is one of the most interesting plots. Their different outlooks on life and values gradually change as they interact more. Also, the battles in the Holy Grail War, like the ones where the Servants use their unique abilities, are really exciting and add to the overall appeal of the story in the Fate Stay Night Novel.
In some fanfics, like 'The Demigod's Grail Quest', the plot twist is that Percy's friends from the Percy Jackson world turn out to be related to some of the characters in Fate Stay Night in unexpected ways. For example, Annabeth might be related to a certain mage family.
The 'fate stay night adult novel' might have some unique elements compared to the regular versions. It could potentially focus more on the complex emotions and relationships of the characters. For example, it might delve deeper into the love - hate relationships between the mages and their servants. However, without reading it, it's hard to give a detailed and comprehensive plot summary.
The 'Fate Stay Night' novel book presents a complex and engaging story. It starts with Shirou, an ordinary boy who has a strong sense of justice. The Holy Grail War is a battle royale where seven Masters summon seven Servants, who are heroic spirits from different times and places. As the story unfolds, Shirou has to not only fight in this war but also deal with his own inner turmoil. He has to decide what is right and wrong in the context of this deadly battle, and his relationships with other characters, especially the female leads like Saber, Rin, and Sakura, also play a crucial role in the development of the plot.
Saber is really interesting. She's a strong and noble Servant with a complex past. Her code of honor and her struggle to reconcile it with her present situation make her stand out. Another interesting character is Archer. His cynical view and his connection to Shirou add a lot of mystery and depth to the story.
The concept of Naruto being a Master in the Fate/stay night world is also very engaging. He could summon Servants and form unique partnerships. His understanding of loyalty and friendship from the Naruto world would influence how he interacts with his Servant. It often leads to heartwarming and action - packed storylines.
A fascinating plot aspect in such fanfiction is the idea of the Holy Grail War in the Naruto universe. Picture the ninja villages competing for the Grail. The characters from Naruto would have to form alliances and strategies similar to what happens in Fate Stay Night. Also, the concept of summoning Servants in the Naruto world. What if Naruto or Sasuke could summon a powerful Servant? How would they interact? And how would the Servant adapt to the ninja world? These are all really interesting plot elements.
One interesting plot twist could be when a character from My Hero Academia ends up being a key figure in the Fate Stay Night world's power struggle. Maybe a hero's quirk is actually related to the magic system in Fate Stay Night in a way that no one expected.
The 'Fate/stay night' novel mainly focuses on the Holy Grail War. Rin Tohsaka is one of the key characters. In this complex story, mages summon Servants to fight for the Holy Grail. Rin is a skilled mage with her own goals and challenges. She has to navigate the dangerous world of the Grail War, dealing with other mages and their Servants. Her relationship with the protagonist also plays an important part in the overall plot development.
The plot of 'ubw Fate Stay Night Visual Novel' mainly focuses on the Holy Grail War. It involves different Servants and Masters fighting for the powerful Holy Grail. The Unlimited Blade Works route in particular shows the story from Shirou's perspective as he gets involved in the war, faces his ideals, and his relationship with Rin Tohsaka develops while they navigate the complex and dangerous battles.
Archer is one of the most interesting characters. His complex backstory, being a future version of Shirou, gives him a unique perspective. He is jaded by his experiences yet still holds a certain sense of purpose.