Who could be the main antagonist in 'Merlin becomes a dragon fanfic'?
It could be Morgana. She might see Merlin's transformation into a dragon as a threat to her own power and plans. So, she tries to stop him from fully becoming a dragon or tries to use his new form for her own evil purposes.
Maybe there's an ancient dragon - slayer who believes that all dragons are evil. When he hears about Merlin becoming a dragon, he sets out to kill him. This character could be a really tough antagonist as he has years of experience in slaying dragons and doesn't care that Merlin was once human.
There could be a dark wizard who wants to control Merlin in his dragon form. He sees Merlin as a powerful tool that he can use to take over Camelot. This wizard would use all kinds of dark magic to try and subdue Merlin and force him to do his bidding.
Who could be the main antagonist in 'natsu becomes a dragon fanfic'?
Another option is a rival dragon slayer who sees Natsu's transformation as a threat to his own status. This rival could try to stop Natsu from fully becoming a dragon or try to defeat him to prove his own superiority.
Who could be the main antagonist in 'natsu becomes a dragon fanfiction'?
Maybe an ancient dragon that has been awakened from its slumber and views Natsu as an intruder in the dragon world. Since Natsu is a new - made dragon, this old dragon might try to drive him out or even harm him.
Who could be the main antagonist in 'hedwig becomes a dragon fanfiction'?
It could be a dark wizard who wants to capture Hedwig - as - a - dragon for her powerful new form. Maybe he wants to use her dragon abilities for his own evil plans.
Who could be the main antagonist in a 'princess becomes a dragon fanfiction'?
The main antagonist could be an evil knight who has a vendetta against dragons. When the princess turns into a dragon, he sees her as a prime target and tries to slay her, believing all dragons are evil. He doesn't care that the princess was once human and is only focused on his own prejudiced views.
What could be the plot of 'Merlin becomes a dragon fanfic'?
Well, perhaps Merlin discovers a hidden magic that starts to transform him into a dragon. He might struggle with his new form, trying to control his dragon instincts like the urge to hoard treasure or fly away to a secluded lair.
Who could be the main antagonist in a 'Fairy Tail Lucy becomes a Dragon Slayer' fanfic?
It could be a rogue Dragon Slayer who is jealous of Lucy's new - found powers. This character might have been exiled from their own guild for misusing their powers and now sees Lucy as an easy target to prove their superiority.
Who could be the main antagonist in 'sonic becomes a girl fanfic'?
It could also be a new villain that is specifically interested in Sonic because she is now a girl. Maybe a villain who has some sort of vendetta against female heroes or wants to use Sonic's new form for some evil experiment. However, Dr. Eggman is so iconic in the Sonic series that he would be a strong contender for the main antagonist role even in this fanfic scenario.
Who could be the main antagonist in 'chell becomes an ai fanfic'?
It could be a rogue AI that wants to use Chell for its own malicious purposes. Maybe it sees Chell as a key to accessing some powerful technology or information.
Who could be the main antagonist in 'percy becomes a killer fanfic'?
It could be an ancient and powerful god who has long been plotting against Percy. This god might be jealous of Percy's power and popularity, so he devises a plan to turn Percy into a killer, knowing that it will lead to Percy's downfall and his own rise in power.
Who could be the main antagonist in 'ben 10 becomes a girl fanfic'?
Another possibility is that an alien race that Ben has previously encountered and thought was friendly, now turns against him/her because of the change in gender. They might have some strange beliefs or customs that make them view Ben's new form as a threat or an abomination, and thus they become the main antagonists in the fanfic.