Can you recommend some good 'a crack of thunder fanfiction'?

Sure. 'A Crack of Thunder' fanfic can vary widely. One popular one might be on Archive of Our Own. You can search for it there using the title and filter by high ratings. Often, fanfics with this title might focus on themes like adventure and the power of nature, as the 'crack of thunder' implies something momentous is about to happen.

Themes of fate and destiny might be common in 'a crack of thunder fanfiction'. The crack of thunder could be seen as a sign from the universe, a moment that sets the characters on a particular path of fate. It could also be about characters trying to defy their fate that is somehow related to this thunderous event. Additionally, themes of discovery are likely. The thunder could be the starting point for characters to discover something new about themselves, their world, or the secrets it holds.

There are some interesting Merlin crack fanfictions out there. For instance, 'The Crazy Prophecies' where prophecies in Camelot are completely misinterpreted and lead to all sorts of zany situations. It's a great read if you like seeing the characters in a new, comical light. 'Merlin's Prank War' is also a good one. It focuses on Merlin starting a prank war with the knights and Arthur, and the chaos that ensues is really entertaining. And 'The Mysterious Potions' where a potion goes wrong and causes all kinds of wacky effects on the characters, especially Merlin.

A 'crack of thunder fanfic' could be about many things. It might be a fan - created story where a crack of thunder is a significant event. For example, it could be set in a fantasy world where a powerful spell is cast during a thunder crack. Or perhaps in a horror setting, the thunder crack signals the arrival of a menacing creature.

One popular 'Young Justice' crack fanfiction is 'The Misadventures of Team Flash'. It has a really unique take on the characters, with lots of comical situations. For example, it might have the characters in completely out - of - character scenarios like Robin suddenly being afraid of bats again in a really silly way.

There's also 'Fairy Tail's Bizarre Adventures' where the normal Fairy Tail plot takes some really strange turns. For example, the guild hall gets turned into a giant maze and the characters have to find their way out while dealing with all kinds of crazy magic - based obstacles. It's a great read if you're looking for something different from the traditional Fairy Tail story.

A great 'Black Butler' crack fanfiction I've come across is 'Sebastian's Cooking Catastrophes'. In this story, Sebastian, who is known for his excellent cooking skills in the original series, somehow manages to create the most disastrous meals. It's all because of some magical mishaps that befall the Phantomhive kitchen. Ciel's reactions to these horrible dishes are priceless, and the other servants' attempts to help or just laugh at the situation add to the hilarity.

One great Percy Jackson crack fanfiction is 'Percy's Crazy Adventures in the Underworld'. It has Percy in all sorts of zany situations that are completely out of the ordinary for the normal Percy Jackson stories. It's really funny and shows a different side of the characters.

In 'a crack of thunder fanfic', the theme of omen or prophecy can be seen. The crack of thunder might be seen as an omen of something big to come. It could be a prophecy about a character's destiny, like they are destined to do something great or face a great danger when they hear the thunder. Also, the theme of power is there. The thunder could be associated with a powerful force, either that the characters need to harness or that they need to fight against.

It's hard to say without reading the fanfic specifically. It could be original characters created by the fanfic writer. However, if it's related to an existing fandom, it might feature the main characters from that franchise. For instance, if it's a Harry Potter - related fanfic, it could be Harry, Hermione, and Ron, and the crack of thunder could play a role in one of their magical adventures.