Survival is also a big theme. Characters from either universe suddenly find themselves in a strange new world full of different threats. They have to figure out how to stay alive, whether it's a Jedi facing a horde of Orks or a Space Marine dealing with the Force. And then there's the theme of redemption. Sometimes a character from a darker side in one universe gets a chance at redemption in the other.
In Star Wars and Warhammer fanfic, a prevalent theme is the clash of different cultures. In Star Wars, you have different species and planets with their own ways of life, and in Warhammer, there are many different races. Fanfic writers love to explore what happens when these different cultures interact, whether it's through trade, war, or cooperation. Also, the exploration of the Force in Star Wars and magic in Warhammer is common. Writers might come up with new ways to use these powers or explore their limits.
One main theme is the clash of ideologies. Warhammer 40k has its very strict and often dark ideologies, while Star Wars has the light side - dark side of the Force. When combined, it creates a great exploration of conflicting beliefs. Another theme is power. The different types of power in both universes, like the psykers in Warhammer 40k and the Force - users in Star Wars, are compared and contrasted.
One main theme is often the clash of different cultures. The Nordic culture of Skyrim and the diverse cultures in Star Wars collide, leading to interesting character interactions. Another theme can be the exploration of power. Whether it's the power of the Force in Star Wars or the magic and combat skills in Skyrim.
Another theme is the impact of one's actions on the overall equilibrium of the galaxy. For example, a character's decision to use the Force in a certain way can either tip the balance towards chaos or order. It's about how individual choices matter in a much larger context.
One key difference in a fanfic would be the scale of the conflict. Warhammer 40k often deals with entire galaxies at war. The Imperium of Man is constantly fighting off various threats on a huge scale. Star Wars, while having galactic - wide conflicts, also has a lot of focus on individual characters and their personal journeys. Another difference is the nature of the 'good guys'. In Warhammer 40k, the Imperium can be very authoritarian and dogmatic. In Star Wars, the good side is more about freedom and democracy. And finally, the appearance of the characters and their equipment. Space Marines in Warhammer 40k are these hulking armored figures. In Star Wars, characters like Jedi have their robes and lightsabers which give a very different aesthetic.
One main theme is the clash of cultures. The high - tech, species - diverse universe of Mass Effect collides with the more mystical, Jedi - and - Sith - dominated Star Wars universe. This often leads to interesting interactions as characters learn about each other's values and ways of life.
Some common themes include exploring the backstories of minor characters. For example, there are many fanfics about stormtroopers who have a change of heart. Another theme is alternate universes, like a Star Wars universe where the Empire won. Also, relationships between characters, such as the friendship between Rey and Finn, are often delved into more deeply in fanfiction.
One great 'Warhammer Star Wars fanfic' is 'The Galactic Crusade'. It combines the epic space battles of Star Wars with the dark and gritty elements of Warhammer. The story follows a group of Jedi who find themselves in a Warhammer - like universe and have to adapt to survive.
It's really hard to say. In Warhammer 40k, there are extremely powerful Space Marines with advanced technology and psychic powers. However, in Star Wars, the Force gives Jedi and Sith incredible abilities. If it's a large - scale battle, the Imperium of Man in Warhammer 40k has a huge number of troops. But the Star Wars galaxy has the Death Star which can destroy planets. So it depends on the specific scenario written in the fanfic.
I'd say check out DeviantArt. While it's mainly known for art, there are also some great fanfic writers who post their Star Wars and Warhammer works there. Some of them might be in the form of illustrated stories, which can be really cool. You could also try searching on Google. Just type in 'Best Star Wars and Warhammer fanfic' and you'll get a bunch of results. Then you can go through them and see which ones catch your eye.