Well, in certain 'harry potter summoning contract fanfiction', the idea of cross - species summoning contracts could be really cool. Imagine a wizard having a contract with a sentient tree in the Forbidden Forest. The tree could offer protection or knowledge in exchange for certain magical favors.
Perhaps the contracts having unforeseen consequences. Like the summoner losing a bit of their own magic each time they summon. It adds a layer of risk and drama to the story. In some fanfictions, the summoning contract might be tied to a specific family heirloom, which gives it a historical and mysterious aspect.
Perhaps a contract fanfiction where Harry enters into an agreement with the goblins of Gringotts. He might offer his services in exchange for some powerful magical artifacts that could help him in his battle. This could involve a lot of negotiation and interesting lore about the goblin - wizard relations.
For a Harry Potter Azkaban contract fanfiction, perhaps there's a contract between a healer and the Ministry of Magic regarding Azkaban. The healer agrees to try and find a way to lessen the effects of the Dementors on the prisoners, but in return, they want access to some restricted magical knowledge. Or it could be a contract between two prisoners in Azkaban. They make a pact to break out together and seek revenge on those who put them there. They might use their combined magical skills and knowledge of the prison's secrets to plan their escape.
In this type of fanfiction, an interesting idea could be the exploration of different Hogwarts houses' reactions to the concubine contract. Gryffindors might oppose it on moral grounds, while Slytherins could see it as a means to gain power or influence. Also, the idea of how the Ministry of Magic would regulate or react to such a contract could be really fascinating.
One idea could be a story where a young and inexperienced ninja discovers an ancient slug summoning contract. They initially struggle to communicate with the slugs but gradually form a deep bond. Maybe they use the slugs' unique abilities, like their healing powers, in unexpected ways during battles.
In 'harry potter summoning contract fanfiction', the summoning contract can be a source of mystery. Maybe the contract was made generations ago and its true purpose is only gradually revealed. This discovery process can shape the plot as characters search for clues and try to understand the contract's full implications. It could also lead to a race between different characters or groups to either obtain or destroy the contract.
One idea could be that when Harry summons Sebastian, Sebastian brings with him some ancient magic knowledge that helps Harry in his fight against Voldemort. Maybe Sebastian has a unique perspective on magic that the wizarding world has long forgotten.
One interesting idea could be the complex relationship dynamics that develop due to the marriage contract. For example, Harry might have to navigate new social expectations and deal with characters who have different motives regarding the contract. It could also lead to unexpected alliances or rivalries within the wizarding world.
One idea could be that the peace contract is a magical document created by the Ministry of Magic to end a long - standing feud between two wizarding families. Harry could be involved in ensuring that both families abide by the terms of the contract.
In some 'naruto cobra summoning contract fanfiction', there could be a story where the cobra summons are connected to an old prophecy. The protagonist, by signing the contract, is thrust into a journey to fulfill this prophecy. They might have to overcome internal and external obstacles, like dealing with other ninja clans who are jealous of their new power and also understanding the true meaning of the prophecy which is hidden in the cobra's lore.
A magical contract could be made between a young wizard and a magical creature. Maybe the wizard accidentally trespasses on the creature's territory and in order to make amends, they enter into a contract. The contract could involve the wizard helping the creature with a task, like finding a lost magical item in the Forbidden Forest. This would lead to all sorts of adventures and challenges as the wizard tries to fulfill their end of the bargain.