Well, it might be that the apocalypse in the fanfiction is actually a test set up by a higher power as per Zechariah's prophecies. And the Winchester brothers unknowingly are playing right into it. But then they discover this truth and have to decide whether to continue as they were or find a way to break free from this pre - ordained test. This would add a whole new layer of moral and strategic complexity to their fight against the forces of evil.
One of the most intriguing plot twists could be a re - interpretation of Zechariah's prophecies within the apocalyptic setting of the Supernatural universe. For example, if Zechariah's visions were actually foreshadowing events related to the fight against the big bads in Supernatural, like Lucifer or the Darkness. It could change the whole dynamic of how the characters approach the battle. Maybe the angels in Supernatural, who are often a bit of a mystery, are actually following a much more complex plan based on Zechariah's prophecies that we don't know about yet.
The Apocalypse Verse in Supernatural fanfiction allows for a lot of creativity when it comes to Zachariah. Writers can delve into his backstory more deeply, perhaps exploring his relationship with other angels before the events of the show. They can also change his role in the apocalypse, making him a more sympathetic character or an even greater villain than he was in the series.
Perhaps the character is reborn with memories of a future event that threatens the Mikaelsons. This would put them in a position to either try to change the future or use it to their advantage within the family dynamics. They might face disbelief from the Mikaelsons at first, but as events start to unfold as they remembered, they gain more influence.
To develop Zechariah's character, we could give him a new mission. Since it's an apocalypse, he could be on a quest to find a lost artifact or a special power that is said to be able to end the apocalypse. Along the way, he faces various challenges and has to make difficult decisions. This would show his growth and determination. He might also have to sacrifice some of his own beliefs or powers in order to achieve this goal, which would make him a more interesting and dynamic character.
Another plot twist might be a time - related one. What if John gets transported back in time to the events of the Harry Potter series and meets a younger Hermione? His different perspective and knowledge from his own world could change the course of events in the wizarding world, creating a complex web of changes and consequences.
In some fanfics, a plot twist could be that Severus was actually protecting Hermione all along under Dumbledore's secret orders, and Sirius discovers this and has to re - evaluate his hatred for Severus. This completely changes the dynamic between the three.
One interesting plot twist could be that Naruto starts to have memories of Tobirama's past battles. This would make him question his own identity and purpose. Another could be that Tobirama's reincarnation in Naruto causes a shift in the power dynamics among the villages. It might make other villages see Konoha as a greater threat or as a source of new knowledge.
One of the most interesting plot twists could be that Naruto discovers a new form of chakra that has the power to rewrite history. This would completely change the power dynamics in the Naruto universe.
One interesting plot twist is that the chakra seal on Naruto is actually a key to an ancient power source. At first, it seems like a hindrance, but as the story progresses, it's revealed that the seal was placed there to protect this power until Naruto was ready. This flips the whole concept of the chakra seal from a negative to a positive in an unexpected way. Also, there could be a plot twist where the sealing of Naruto's chakra was a misdirect, and it was actually someone else's chakra that was being targeted, and Naruto was just a decoy.
In 'Frozen Bonds', the plot twist is that the Snow Queen has been manipulating events all along not for evil, but to protect Emma from a greater threat that she is unaware of. This flips the typical villain - hero perception on its head and makes for a really unique and thought - provoking story.
One possible plot twist could be a character from 'Twilight' getting superpowers like those in 'Heroes'. For example, Bella could suddenly gain the ability to fly or become invisible. This would completely change her dynamic within the 'Twilight' world and her relationship with Edward and Jacob. Another twist could be a 'Heroes' character becoming a vampire or a werewolf. It would introduce new challenges and moral dilemmas as they deal with their newfound nature.