Well, 'The First Heretic' is a top pick. It tells the story of Lorgar and how his actions and beliefs led to the spread of chaos among the Space Marines. 'Prospero Burns' is also excellent as it gives a different perspective on the events related to the Thousand Sons. And don't forget 'Angel Exterminatus' which has some great chaos space marine elements and a really engaging plot.
One idea could be a crossover with the Warhammer 40K Imperium forces where a group of Chaos Space Marines infiltrate an Imperial stronghold. They could face off against Space Marines of the Ultramarines chapter, leading to intense battles and moral dilemmas for both sides. Another idea is a crossover with a fantasy setting like the Elder Scrolls. The Chaos Space Marines could find themselves in Tamriel, causing chaos among the different races and factions there. They might encounter the powerful mages or the warrior guilds.
First, decide on the two universes you want to cross. For example, if it's Chaos Space Marines and the Transformers universe, research both. Know the lore, the characters, and the settings. Then, come up with a central plot idea. Maybe the Chaos Space Marines are after a powerful artifact that the Autobots are also protecting. After that, create your main characters. You can introduce a Chaos Space Marine who has different motives from his brethren. Start writing simple scenes, like the initial encounter between the two sides.
For a beginner, 'Prospero Burns' is a good choice. It gives a different take on the events involving the Thousand Sons, which is a key part of the chaos Space Marine lore. And 'Angel Exterminatus' is also quite good as it has a clear story with some great chaos Space Marine elements that are easy to follow.
One of the best is 'Horus Rising' by Dan Abnett. It really delves deep into the lore of the Space Marines and sets the stage for a lot of the drama that unfolds in the Warhammer 40,000 universe. It's a great starting point for those new to the genre.
Good space marine novels usually have great world - building. They create detailed universes where the space marines operate, like the Warhammer 40,000 universe. Another characteristic is strong characters. The space marines themselves are often complex, with their own beliefs and codes. For example, in 'Horus Rising', Horus is a well - developed character. Action scenes are also important. There are epic battles that keep the readers hooked, like the large - scale battles in 'Gaunt's Ghosts' where space marines are involved.
One of the best is 'Horus Rising' by Dan Abnett. It sets the stage for the Horus Heresy saga, with great character development and intense space marine battles. Another good one is 'Gaunt's Ghosts' series. It follows the Tanith First and Only regiment, with a great mix of military action and interesting storylines. Also, 'Fulgrim' is worth reading. It delves deep into the fall of the Emperor's Children legion.
No. Harry Potter is a distinct and original wizarding world created by J.K. Rowling. It has its own unique magic system, characters, and storylines that are completely different from the concept of Space Marines in fanfiction. The Harry Potter series is centered around Hogwarts School of Witchcraft and Wizardry, magic spells, and the battle between good and evil in the wizarding world.
The 'Gaunt's Ghosts' series also has some excellent space marine battle elements. It follows the Tanith First and Only regiment and their various battles. It shows how the Space Marines interact with other military forces in the complex and brutal world of Warhammer 40,000. It's full of great military tactics and engaging storylines.