Well, time - travel is a big one in Star Wars fanfiction. Writers like to play with the idea of characters going back in time to change certain events. There's also the 'hidden Jedi' trope, where a character discovers they have Jedi powers that were previously unknown. And of course, the 'enemies - to - lovers' trope between characters from the light side and the dark side.
The 'power - up' trope is popular. This is where a character suddenly gains new and extraordinary powers. Then there's the 'alternate universe' concept, where the entire Star Wars universe is re - imagined, like a galaxy where the Empire won. And the 'found family' trope, where characters form a family - like bond that isn't related to blood.
One popular trope is the 'Force - Bond' where two characters, often a Jedi and another, are connected through the Force in a special way. Another is the 'Hidden Jedi' trope, where a character discovers they have Jedi abilities later in life. 'Time - Travel' is also quite common, with characters going back or forward in time in the Star Wars universe.
One popular trope is the 'fish - out - of - water' scenario. For example, a Star Wars character might find themselves in the Avatar world and have to adapt to the different cultures and bending abilities. Another is the 'power - exchange' trope. This could be a Jedi learning bending or an Avatar character getting a taste of the Force. There's also the 'team - up' trope, where characters from both universes join forces to fight a common enemy, like a Sith Lord and a powerful Fire Nation bender working together.
A common trope is the 'fish - out - of - water' story. For example, a Star Wars character like Han Solo finding himself in Equestria and having to adapt to the very different world of ponies. Another popular one is the 'power transfer' trope. This could be a pony getting some of the Force's power or a Jedi getting a boost from pony magic. There's also the 'team - up' trope where characters from both universes join forces to fight a common enemy, like Darth Vader and an evil pony overlord.
One popular trope is the 'hidden Jedi' or 'force - sensitive outcast'. It often involves a character who discovers they have Jedi powers late in life or in unexpected circumstances. Another is the 'enemies - to - lovers' trope, like a Sith and a Jedi falling in love.
One popular trope is the 'bound by destiny' idea. For example, two characters who are from different backgrounds in the Star Wars universe are fated to be together and their journey towards realizing that destiny. Another is the 'bound by a common cause' trope, where characters are forced to work together despite their differences, like a Jedi and a Sith bound by the need to stop a greater evil.
One popular trope is the 'Chosen One' concept. The OC is often seen as the one who will bring balance to the Force, just like Anakin was supposed to. Another is the 'Outcast Jedi'. They don't fit in with the traditional Jedi ways and are often misunderstood. For example, they might use the Force in ways that are frowned upon by the Council. And the 'Secret Heritage' trope is also common. The OC discovers they have a special bloodline or connection that gives them extra powers or a special mission.
A common trope is the 'fish out of water' story. Naruto characters suddenly finding themselves in the Star Wars universe or on an alien planet. They have to learn the new rules and ways of life. Another trope is the power - up. Naruto characters might gain new powers from Star Wars technology or alien species. For example, they could get enhanced strength from an alien substance. And there's the team - up trope, where Naruto characters join forces with Star Wars heroes like Luke Skywalker to fight a common enemy, perhaps an alien invasion.
One popular trope is the 'fish out of water' story. For example, a Star Wars character like Luke Skywalker could end up in the Sailor Moon world and have to adapt to the very different environment and magic system. Another is the 'power - up' trope. A Sailor Scout might gain new powers inspired by Star Wars technology or the Force.
In Star Wars Green Lantern fanfiction, a common trope is the 'culture clash'. The Green Lantern Corps has its own set of values and rules, and when they interact with the cultures in the Star Wars universe, it can lead to interesting situations. For instance, the strict code of the Jedi might be compared to the oaths of the Green Lanterns. Another popular trope is the 'mystery object' trope. A Green Lantern ring might be a mysterious object in the Star Wars universe, and characters are trying to figure out its power and origin. Also, the 'training' trope can be seen, where a Star Wars character is trained to use the Green Lantern ring or vice versa.
One popular trope is the 'Lost Creature' where the OC is a species thought to be extinct but is rediscovered. For example, a small, furry creature that was wiped out by the Empire but somehow survived on a hidden moon. Another is the 'Mysterious Ally' where the creature OC has some special power or knowledge that helps the heroes. It might be a telepathic ability or knowledge of an ancient Jedi temple. The 'Cursed Creature' is also common, like a creature that was experimented on by the Sith and now has a dark side to it.