One way is to combine different genres. For example, if you cross over a mystery with a fantasy element. You can start with a traditional mystery setup like a detective trying to solve a crime in a normal city. Then introduce a magical object or a character with supernatural powers that becomes part of the mystery. This unexpected combination can immediately draw the reader in and make the story more engaging.
Another approach to using crossover for an engaging story is through character crossovers. If you take characters from different well - known stories and put them together in a new scenario. For instance, imagine Sherlock Holmes and Harry Potter in the same story. Holmes' deductive reasoning skills combined with Potter's magic could lead to a very exciting adventure. The clash or cooperation of different personalities and abilities from different fictional universes can make for a highly engaging story.
Crossover in terms of settings can also tell an engaging story. Let's say you cross a modern-day setting with a historical one. A time - traveling story where a modern - day person finds themselves in the middle of a significant historical event. They have to adapt to the old - fashioned ways while also using their modern knowledge to either solve a problem or create a new situation. This creates a lot of opportunities for interesting character development and plot twists.