One key element is the concept of a 'genocide route'. In this, the player makes choices that lead to the destruction of the Underground world. The characters, like Sans, have a much darker side during this route. For example, Sans' final battle is a very difficult and tense encounter that shows the despair of the situation.
Sans is very interesting. He is a laid - back character in the normal story, but in the dark story, especially during the genocide route, he becomes a formidable opponent. He has knowledge of the player's actions across different timelines and his fight is full of meta - references.
Definitely. Fanfiction is a great medium for exploring crossovers like this. In some undertale asriel dark souls fanfictions, the writers could create scenarios where Asriel encounters the bosses or challenges in Dark Souls. Maybe he uses his magic from Undertale in creative ways to overcome the difficulties in Dark Souls. It's all about the creativity of the fans, and there are some gems out there waiting to be discovered if you're into this sort of crossover concept.
One interesting undertale dark souls fanfiction could be about a character from Undertale being transported to the Dark Souls universe and having to adapt to its harsh survival mechanics. For example, Sans could end up in Lordran and use his unique abilities to deal with the various undead and bosses. Maybe his shortcuts would work in a different way in the Dark Souls world.
Well, it combines two very different universes. Undertale is known for its heart - warming and character - driven story, while Dark Souls is all about a dark, difficult and often mysterious world. When you bring Asriel from Undertale into the Dark Souls setting, it creates a contrast. His usually positive and somewhat naive nature in Undertale against the backdrop of the often cruel Dark Souls world makes for a unique dynamic.
The official Undertale content is a carefully crafted story with deep themes and engaging gameplay. It includes elements like the mystery of the Underground, the personalities of the various monsters, and the overarching plot of the human - monster relationship. A 'girl fart story' is completely absent from this official content as it does not align with the tone, style, or themes of the game.
One key factor is its indie nature. As an indie game, it had a fresh and unique concept that wasn't influenced by big - studio trends. It was able to stand out.
The back story of Undertale involves a complex web of events and characters. It includes the history of the underground world and the reasons for the conflicts and struggles that take place.