Another interesting one is 'Undertale: The Supernatural Realm'. It takes the undertale crew to a whole new realm filled with supernatural beings. The way the author blends the two concepts is really creative, like how they handle the magic from undertale in the context of the supernatural world.
One great undertale gravity falls crossover fanfic is 'Falls into the Underground'. It has an interesting plot where the characters from Gravity Falls end up in the Underground world of Undertale. The way the author combines the two universes' elements is really creative.
Another good one is 'MLP - Undertale: A Tale of Two Worlds'. This fanfic delves deep into how the values and cultures of both the My Little Pony and Undertale worlds could coexist or clash. It has detailed descriptions of the crossover elements, like how Fluttershy might befriend a Flowey - like character, which makes for a really engaging read.
Identity is also a big theme. The undertale characters are put in new situations in the supernatural crossovers, and they start to question who they really are. For instance, if Chara is exposed to a world of angels and demons in a crossover, they might wonder if they are truly a 'bad' character or if they can change and find a new purpose in this new and complex supernatural setting.
One popular 'Merlin supernatural crossover fanfic' is 'The Winchester's Apprentice'. It combines the magical world of Merlin with the hunting adventures of the Winchesters. The story has an interesting plot where Merlin somehow gets transported to the Supernatural universe and has to team up with Sam and Dean to fight against dark forces that are related to his own magic.
One popular sonic undertale crossover fanfiction is 'Sonic in the Underground'. It's really interesting as it combines the fast - paced world of Sonic with the unique RPG elements of Undertale. The characters from both universes interact in unexpected ways, like Sonic running through the Underground and encountering monsters from Undertale.
Sure. 'A Tale of Two Skeletons' is a great one. It combines Sans from Undertale with another popular skeleton character from a different game. The story is full of interesting dialogues and exciting plot twists.
One popular 'supernatural harry potter crossover fanfic' is 'The Boy-Who-Lived and the Winchester Brothers'. It combines the magical world of Harry Potter with the demon - hunting adventures of Supernatural. In this fic, Harry Potter teams up with Sam and Dean Winchester to face threats that span both the wizarding and supernatural realms.
One popular 'Dark Angel Supernatural crossover fanfic' could be 'Angelic Hunters'. It combines the post - apocalyptic world of Dark Angel with the demon - hunting world of Supernatural in an interesting way. The characters from both shows interact in a new and exciting plotline.
Sure. 'Under the Surface' is a great 'oc undertale fanfic'. It has a really interesting original character who gets involved in the unique world of Undertale in a fresh way. The story has good pacing and the interactions between the oc and the canonical characters are well - written.
One popular 'pregnant undertale fanfic' could be 'A New Beginning'. It focuses on the character's journey during pregnancy in the Undertale universe, exploring how they adapt to the changes and the reactions of other characters. Another one might be 'Expecting in the Underground' which delves deep into the emotions and challenges faced by the pregnant character in that unique setting.