What are some interesting ideas for a Warhammer Fantasy crossover fanfic?

One idea could be a crossover with Star Wars. Imagine the Imperium of Man encountering the Galactic Empire. The two totalitarian regimes could have some intense ideological battles and epic space battles as well.

A cool plot for Warhammer Fantasy Crossover Fanfiction could be a crossover with the Final Fantasy series. Picture a Warhammer elf meeting a Final Fantasy summoner. They could exchange knowledge about different magical creatures. Also, a crossover with the Naruto universe would be interesting. A Warhammer Chaos warrior might find himself in the Hidden Leaf Village and cause chaos (literally) among the ninja. Or, a crossover with the Witcher world. Geralt could team up with a Warhammer Witch Hunter to hunt down monsters that are a threat to both their worlds.

One idea could be a crossover between Warhammer and Lord of the Rings. Imagine the Space Marines facing off against the Orcs of Mordor. Another could be a Warhammer and Star Wars crossover, like the Imperium of Man encountering the Galactic Empire. Or perhaps a crossover with the Witcher, where Witchers team up with Warhammer's warriors to fight common foes.

One idea could be the Imperium of Man encountering the Citadel Council. The Imperium's strict dogma and military might would clash with the Council's more diplomatic approach. For example, the Space Marines might be seen as terrifying super - soldiers by the Mass Effect races.

One idea could be to have the Lizardmen cross over with a modern-day military unit. The contrast between the primitive - yet highly advanced in their own way - Lizardmen and modern military technology would create interesting scenarios. For example, how would the Lizardmen react to firearms? Another could be a crossover with a fantasy world like Middle - earth. The Lizardmen's unique culture and magic could interact in fascinating ways with the races and magic of Middle - earth.

One idea could be to combine the unique weaponry of RWBY with the grimdark setting of Warhammer. For example, Ruby's scythe could be enchanted with some sort of Warhammer - style magic or runes. Another idea is to have the characters from RWBY face off against Warhammer - style daemons or chaos warriors. This would really test their skills and teamwork. Also, the concept of semblances could be related to the powers in the Warhammer universe in some way, like a character's semblance being a form of psychic power in the context of Warhammer.

One interesting concept could be a 'Warhammer' crossover with 'Lord of the Rings'. Imagine the orcs from 'Warhammer' interacting with the orcs from Middle - earth. Another could be a crossover with 'Star Wars', like the Space Marines teaming up with the Jedi or Sith in some strange alternate universe scenario. And a 'Warhammer' and 'Harry Potter' crossover where the magic of the wizarding world meets the dark and gritty world of 'Warhammer' would also be really cool.

One idea could be that the Soul Reapers from Bleach are transported to the Warhammer universe. They might initially be seen as strange entities, and their spiritual powers could be both a mystery and a threat. Maybe they get involved in the battles between different factions in Warhammer, using their zanpakuto and kido to fight against the chaos forces.

One idea could be that Naruto characters are transported to the Warhammer universe. For example, Naruto himself could be mistaken for a powerful chaos warrior due to his chakra. He might then have to prove that he's not a threat while also trying to find a way back home. Another plot could involve the shinobi clans of Naruto being compared to the different factions in Warhammer. The Uchiha with their Sharingan could be seen as having a similar level of mystery and power as some of the Warhammer sorcerers.

One idea could be that the Infinity Stones are somehow connected to the Warp in the Warhammer universe. Maybe Thanos discovers a way to tap into the power of the Warp through the Stones, which brings the heroes of Marvel into conflict with the daemons and factions of Warhammer.