One of the coolest elements is the clash of the two settings. RWBY has a world full of magic, like Dust, and unique kingdoms, while Dead Space is all about a desolate, horror - filled space environment. In a crossover fanfiction, seeing how these two settings blend is really engaging. Maybe there are parts of Dead Space's technology that are brought into the RWBY world, or vice versa. Also, the different character personalities from both universes interacting can lead to some really fun and unexpected moments.
In 'rwby dead space crossover fanfiction', the most interesting elements often revolve around the character development. When RWBY characters are thrust into the nightmarish world of Dead Space, they have to adapt and grow in ways they never expected. Their beliefs and values are tested. For instance, Yang's normally fearless attitude might be shaken when facing the unknown horrors of Dead Space. And from the other side, if Dead Space characters enter RWBY's world, they would have to deal with concepts like Aura and Semblances, which could completely change their view of combat and survival. This exploration of how characters change and interact in a crossover setting is what makes these fanfictions so captivating.