One could be a story where a minor character has a one - time encounter with a powerful supernatural being and it changes their life forever. For example, a hunter who usually deals with small - time demons has a one - time encounter with an archangel. The archangel gives the hunter a special task that challenges his beliefs and morals.
A great 'one time deal supernatural fanfiction' could involve a human making a one - time deal with Death. The human is desperate to save a loved one from a terminal illness. Death agrees to spare the loved one, but in return, the human has to perform a series of dangerous tasks in the supernatural realm, which leads to a wild adventure full of self - discovery.
Another way is to join Supernatural fan groups on social media platforms. Ask the members if they know of any good 'one time deal' fanfictions. They might be able to recommend some based on their own reading experiences. Also, some fanfiction forums dedicated to Supernatural might have threads about such stories.
One interesting story could be about the characters facing an unexpected new villain. Maybe it involves a powerful demon that has a unique connection to Sam or Dean's past. It could add a whole new layer of mystery and danger to their adventures.
One interesting story could be about a new character who has the power to control time and how they interact with the main characters from 'Supernatural'. They might use their power to go back in time to prevent some of the tragedies that happened in the show.
One interesting story could be about a reader who gets pulled into the Supernatural world and has to team up with Sam and Dean to fight a new, powerful demon. The reader brings in unique perspectives from the real world that help them in their battles.
One interesting story could be about a magical teat that has the power to heal any wound in a supernatural world. It might be protected by a powerful spirit.
Some hetalia supernatural fanfiction stories focus on the idea of the nations being guardians of supernatural realms. For instance, Russia could be the protector of a frozen, magical land within his territory. In some fanfictions, there are crossovers with other supernatural universes. Maybe the hetalia characters meet characters from shows like 'Supernatural' and they have to team up to solve a mystery or fight a common enemy. These crossovers can bring new and exciting plotlines.
One interesting aspect could be the unique take on characters' relationships. For example, in some fanfictions, a lactating character might add a new layer of vulnerability and nurturing to their dynamic with other characters. It could explore how other supernatural beings react to this very human - yet in a supernatural context - situation.
One interesting story could be about Azrael forming an unexpected alliance with a human to fight a greater evil in the supernatural realm. Maybe the human has a special power that Azrael recognizes and they team up to save the world from a demon invasion.
One interesting 'supernatural Jesse fanfiction' could be about Jesse's hidden powers. Maybe he discovers a new ability that helps the Winchester brothers in a unique way during a hunt.
There might be a fanfiction where Usagi discovers she is part of a long - lost line of supernatural guardians. This could involve her training to master her new - found powers and facing off against dark forces.