Perhaps there is a new vampire character whose origin story is connected to the etching on their skin. This character could be the central focus, with their interactions with the known Twilight characters driving the story. They might be in conflict with some of the traditional vampire clans because of their unique marking.
There could be a human character who becomes involved in the supernatural world of Twilight because of the etching on their skin. This character might start out as an ordinary person but then discovers that the mark has a much deeper significance and is drawn into the complex relationships between vampires, werewolves, and other humans in the story.
Maybe it involves a love story that is somehow related to a mark etched in the skin. It could be that this mark is a sign of a fated love, like a soulmate connection in the Twilight world. The story could then revolve around the challenges the couple faces because of this unique mark and the different factions in the Twilight setting.
Another possibility is that the fanfiction focuses on the Volturi. There could be a story about one of the Volturi members and a new character, or even a different take on the relationships among the Volturi themselves that is the'sweet thing' in this piece of fanfiction.
Sasuke could also be a main character. In the Naruto universe, Sasuke is Naruto's rival and friend. In the fanfiction, he might be involved in battles against Naruto to test the limits of his iron skin, or they could be teaming up and Sasuke could be using Naruto's iron skin as a form of protection in dangerous situations.
Since I haven't read this particular fanfiction, it's hard to say for sure. But in RWBY, it could be Ruby, Weiss, Blake, and Yang. Maybe the 'words on skin' concept is related to one of their stories, like Ruby finding some strange words on her scythe which is an extension of herself, and it leads to a new adventure for her and her team.
The main characters are likely to be the ones from the original 'Twilight' like Bella, Edward, and Jacob. In fanfiction, they might be portrayed in different lights or with different personalities.
A main character could be a young and ambitious member of the mafia family, like a son or daughter of the don. They could be the one who first encounters a Twilight vampire and their life takes a new turn. Another main character could be the vampire itself, perhaps a rogue vampire who doesn't follow the normal vampire rules in the Twilight world.
The main characters are mainly Bella, Edward, and Jacob. Bella is often the character who finds herself in situations where she could be described as 'dead on her feet'. For example, when she's caught between Edward's vampire world and Jacob's werewolf world, the stress can be overwhelming. Edward, with his brooding nature and his need to protect Bella, is also a key figure. And Jacob, with his loyalty to his pack and his love for Bella, is a mainstay in these fanfictions. Sometimes, characters like Carlisle or Esme from the Cullen family might also be important main characters depending on the plot of the 'dead on my feet' fanfiction.
It could be a new vampire created by Carlisle who finds his perfect match among the humans in Forks. Maybe a shy girl who is intrigued by his old - world charm.
Twilight Sparkle, the purple unicorn with a thirst for knowledge, is central. And Trixie, with her flashy mane and over - the - top showmanship, is the other key character. Sometimes, characters from the Canterlot court or other parts of Equestria might also be included in the fanfiction, but Twilight and Trixie are the main focus, often with their relationship, whether it's one of rivalry or friendship, being explored.
Obviously, her closest friends like Rainbow Dash, Pinkie Pie, and Rarity would be the main ones affected. Rainbow Dash might try to oppose Twilight's evil ways directly, leading to some intense aerial battles. Pinkie Pie's usual cheerfulness could be crushed as she tries to figure out what went wrong with Twilight.