One key element is the portrayal of Castiel's suffering. Since it's about injustice, the fic will often focus on how he endures unfair treatment. Another element is the reaction of other characters. Some may side with him, while others may be part of the problem.
There's a 'castiel injustice fanfic' called 'Unjustly Bound'. In this fic, Castiel is wrongly accused of a crime he didn't commit. It shows his journey to clear his name while also dealing with the betrayal of those he once trusted. The writing is quite engaging, with vivid descriptions of Castiel's emotions and the unfair world he finds himself in.
The combination of Castiel and the 'Injustice: Gods Among Us' setting is really appealing. Castiel's otherworldly nature adds a new dimension to the already complex and action - packed 'Injustice' world. His powers and his moral code can create some really interesting storylines.
There are many places to find 'Castiel Injustice: Gods Among Us' fanfics. One option is Archive of Our Own (AO3). Just search for the relevant tags and you'll get a list of fanfics. Some might focus on Castiel's unique powers in the context of the 'Injustice' universe, while others could explore his relationships with other characters from the game or related universes.
One great 'Castiel and Gabriel fanfic' is 'Heaven's Unlikely Pair'. It beautifully explores their relationship in the context of the Supernatural universe. The story has a great plot that keeps you hooked from start to finish.
One common theme is Castiel's struggle with his angelic nature. He often has to balance his loyalty to heaven and his newfound connections with humans.
Writing fanfic with such explicit content is not appropriate. Fanfiction should generally adhere to certain ethical and moral standards, and this kind of overly sexualized and inappropriate content goes against good taste and respect for the character and the fandom community.
I'm not sure specifically what 'castiel broken fanfic' is about without reading it. It could be a fan - created story that focuses on a character named Castiel and perhaps some sort of broken or damaged state, like his broken spirit, broken relationships, or a broken situation he's in within the fanfic's universe.
Well, 'castiel lemon fanfic' often has a strong focus on the character Castiel. The 'lemon' part usually means there will be some form of romantic or sexual content, which is used to enhance the relationship exploration in the story. It may also play with different aspects of Castiel's nature, like his angelic side, and how that interacts with the more earthly or passionate elements introduced by the 'lemon' aspect. These fics can range from mildly suggestive to more explicit, but they all center around Castiel and his relationships, often with a lot of fan - based interpretations and creativity in terms of plot and character development.
Harry Potter himself would be very interesting. Castiel could be intrigued by Harry's connection to Voldemort and his role as the 'Chosen One'. He might offer Harry some unique insights from his angelic knowledge about dealing with dark forces, which could be different from what Dumbledore has taught him.