Definitely the Orks. Their unique culture and language make them a lot of fun to write about. They love fighting and have a very different view of the universe compared to other races. The Necrons are also great. Their ancient and powerful technology, along with their backstory of being once - living beings turned into soulless machines, gives a lot of room for creativity. And don't forget about the Sisters of Battle. They are strong - willed female warriors in the service of the Emperor, and their faith - based combat style can be very interesting to explore.
The Space Marines are really interesting. They are genetically enhanced super - soldiers with a strict code of honor. You can explore their internal struggles between loyalty to the Emperor and their own sense of self. Another interesting character is the Inquisitor. They have a lot of power and mystery, investigating heresy and xenos threats. And the Eldar Farseers are cool too. Their psychic abilities and knowledge of the future can lead to some really complex and engaging storylines.
The Space Marines are often very popular. Their noble and fearless nature makes them appealing protagonists. They are highly trained warriors with advanced technology at their disposal, and in the fanfiction, they can be portrayed in various ways, from following strict codes to breaking them for the greater good.
The Inquisitors can be very interesting characters in Warhammer 40k Fanfiction. They have this power to hunt down heretics and xenos, and their investigations can lead to all kinds of crazy adventures. Some Inquisitors are on the edge of heresy themselves, which adds a layer of complexity and intrigue to their stories.
One interesting plotline could be about a low - level gamer character rising through the ranks in the Warhammer 40k universe. They start with a small, weak force and gradually build it up into a powerful army, facing challenges like rival factions and difficult terrains.
The Silent King Szarekh is also very popular. He represents the ancient and mysterious nature of the Necrons. Fanfiction might delve into his past, his reasons for leading the Necrons, and his long - term plans for the galaxy.
Probably the Space Marines are quite popular. Their strong and noble image makes them interesting candidates for reincarnation stories. They could be reincarnated with enhanced abilities or a new purpose. Another popular character might be the Emperor of Mankind. Fans often like to explore the idea of his possible reincarnation and how it would change the entire Warhammer 40k universe.
Some of the Warhammer 40k characters might also be popular in these crossovers. For instance, the Ultramarines are well - known and could be paired up with Naruto characters. Their sense of honor and combat prowess can create interesting interactions. The way they would view Naruto's powers and vice - versa can lead to some really engaging storylines.
Shiemi Moriyama can be really interesting too. In a gamer fanfiction, she could have a role related to her knowledge of plants, like using plant - based items or spells in the game. And her kind - hearted nature might lead to different interactions with other characters in the game world. Also, Yukio Okumura. His intelligent and strategic mind would make him a great character for game - related plots, such as leading teams or solving complex in - game puzzles.
One of the most popular characters is often the Space Marine. Their super - human abilities and noble, if sometimes dogmatic, nature make them appealing. They are often depicted as heroes in fanfiction, bravely facing the hordes of enemies in the dark and gritty Warhammer 40k universe.
The Archon is often a popular character. His power and devious nature make for great stories. He's usually at the center of power plays and schemes in Commorragh. Another popular one is the Succubus. With her combat skills and allure, she can be a central figure in stories about wych cults and battles.
Celestine is often a very popular character in fanfiction. Her divine nature and incredible combat abilities make her a fascinating subject. Writers can explore her connection to the Emperor's will in more depth.